From 25022e46856b0be0676830cdc84200d40594a1cb Mon Sep 17 00:00:00 2001
From: Dmitry Gozman <dgozman@gmail.com>
Date: Thu, 13 Feb 2020 14:18:18 -0800
Subject: [PATCH] feat(api): introduce default timeouts on BrowserContext
 (#992)

---
 docs/api.md             | 121 ++++++++++++++++++++++------------------
 src/browserContext.ts   |  11 ++++
 src/page.ts             |   2 +-
 src/timeoutSettings.ts  |  11 +++-
 test/navigation.spec.js |  22 ++++++++
 5 files changed, 111 insertions(+), 56 deletions(-)

diff --git a/docs/api.md b/docs/api.md
index 5af1c4165e..c7ab0a6b7e 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -268,6 +268,8 @@ await context.close();
 - [browserContext.newPage()](#browsercontextnewpage)
 - [browserContext.pages()](#browsercontextpages)
 - [browserContext.setCookies(cookies)](#browsercontextsetcookiescookies)
+- [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout)
+- [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout)
 - [browserContext.setGeolocation(geolocation)](#browsercontextsetgeolocationgeolocation)
 - [browserContext.setPermissions(origin, permissions[])](#browsercontextsetpermissionsorigin-permissions)
 <!-- GEN:stop -->
@@ -350,6 +352,27 @@ An array of all pages inside the browser context.
 await browserContext.setCookies([cookieObject1, cookieObject2]);
 ```
 
+#### browserContext.setDefaultNavigationTimeout(timeout)
+- `timeout` <[number]> Maximum navigation time in milliseconds
+
+This setting will change the default maximum navigation time for the following methods and related shortcuts:
+- [page.goBack([options])](#pagegobackoptions)
+- [page.goForward([options])](#pagegoforwardoptions)
+- [page.goto(url[, options])](#pagegotourl-options)
+- [page.reload([options])](#pagereloadoptions)
+- [page.setContent(html[, options])](#pagesetcontenthtml-options)
+- [page.waitForLoadState([options])](#pagewaitforloadstateoptions)
+- [page.waitForNavigation([options])](#pagewaitfornavigationoptions)
+
+> **NOTE** [`page.setDefaultNavigationTimeout`](#pagesetdefaultnavigationtimeouttimeout) and [`page.setDefaultTimeout`](#pagesetdefaulttimeouttimeout) take priority over [`browserContext.setDefaultNavigationTimeout`](#browsercontextsetdefaultnavigationtimeouttimeout).
+
+#### browserContext.setDefaultTimeout(timeout)
+- `timeout` <[number]> Maximum time in milliseconds
+
+This setting will change the default maximum time for all the methods accepting `timeout` option.
+
+> **NOTE** [`page.setDefaultNavigationTimeout`](#pagesetdefaultnavigationtimeouttimeout), [`page.setDefaultTimeout`](#pagesetdefaulttimeouttimeout) and [`browserContext.setDefaultNavigationTimeout`](#browsercontextsetdefaultnavigationtimeouttimeout) take priority over [`browserContext.setDefaultTimeout`](#browserContextsetdefaulttimeouttimeout).
+
 #### browserContext.setGeolocation(geolocation)
 - `geolocation` <[Object]>
   - `latitude` <[number]> Latitude between -90 and 90.
@@ -682,7 +705,7 @@ Shortcut for [page.mainFrame().$eval(selector, pageFunction)](#frameevalselector
 - `selector` <[string]> A selector of an element to wait for
 - `options` <[Object]>
   - `visibility` <"visible"|"hidden"|"any"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`). Defaults to `any`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]<?[ElementHandle]>> Promise which resolves when element specified by selector string is added to DOM. Resolves to `null` if waiting for `hidden: true` and selector is not found in DOM.
 
 Wait for the `selector` to appear in page. If at the moment of calling
@@ -737,7 +760,7 @@ To disable authentication, pass `null`.
 - `selector` <[string]> A selector to search for checkbox or radio button to check. If there are multiple elements satisfying the selector, the first will be checked.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully checked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, if element is not already checked, it scrolls it into view if needed, and then uses [page.click](#pageclickselector-options) to click in the center of the element.
@@ -756,7 +779,7 @@ Shortcut for [page.mainFrame().check(selector[, options])](#framecheckselector-o
     - y <[number]>
   - `modifiers` <[Array]<"Alt"|"Control"|"Meta"|"Shift">> Modifier keys to press. Ensures that only these modifiers are pressed during the click, and then restores current modifiers back. If not specified, currently pressed modifiers are used.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully clicked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, scrolls it into view if needed, and then uses [page.mouse](#pagemouse) to click in the center of the element.
@@ -812,7 +835,7 @@ Get the browser context that the page belongs to.
     - y <[number]>
   - `modifiers` <[Array]<"Alt"|"Control"|"Meta"|"Shift">> Modifier keys to press. Ensures that only these modifiers are pressed during the double click, and then restores current modifiers back. If not specified, currently pressed modifiers are used.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully double clicked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, scrolls it into view if needed, and then uses [page.mouse](#pagemouse) to double click in the center of the element.
@@ -1010,7 +1033,7 @@ const fs = require('fs');
 - `value` <[string]> Value to fill for the `<input>`, `<textarea>` or `[contenteditable]` element.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully filled. The promise will be rejected if there is no element matching `selector`.
 
 This method focuses the element and triggers an `input` event after filling.
@@ -1024,7 +1047,7 @@ Shortcut for [page.mainFrame().fill()](#framefillselector-value)
 - `selector` <[string]> A selector of an element to focus. If there are multiple elements satisfying the selector, the first will be focused.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully focused. The promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector` and focuses it.
@@ -1037,7 +1060,7 @@ Shortcut for [page.mainFrame().focus(selector)](#framefocusselector).
 
 #### page.goBack([options])
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">> When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider navigation to be finished when the `DOMContentLoaded` event is fired.
@@ -1050,7 +1073,7 @@ Navigate to the previous page in history.
 
 #### page.goForward([options])
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">> When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider navigation to be finished when the `DOMContentLoaded` event is fired.
@@ -1064,7 +1087,7 @@ Navigate to the next page in history.
 #### page.goto(url[, options])
 - `url` <[string]> URL to navigate page to. The url should include scheme, e.g. `https://`.
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">> When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider navigation to be finished when the `DOMContentLoaded` event is fired.
@@ -1096,7 +1119,7 @@ Shortcut for [page.mainFrame().goto(url, options)](#framegotourl-options)
     - y <[number]>
   - `modifiers` <[Array]<"Alt"|"Control"|"Meta"|"Shift">> Modifier keys to press. Ensures that only these modifiers are pressed during the hover, and then restores current modifiers back. If not specified, currently pressed modifiers are used.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully hovered. Promise gets rejected if there's no element matching `selector`.
 
 This method fetches an element with `selector`, scrolls it into view if needed, and then uses [page.mouse](#pagemouse) to hover over the center of the element.
@@ -1197,7 +1220,7 @@ The `format` options are:
 
 #### page.reload([options])
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">> When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider navigation to be finished when the `DOMContentLoaded` event is fired.
@@ -1259,7 +1282,7 @@ await browser.close();
   - `index` <[number]> Matches by the index.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]<[Array]<[string]>>> An array of option values that have been successfully selected.
 
 Triggers a `change` and `input` event once all the provided options have been selected.
@@ -1290,7 +1313,7 @@ Toggles ignoring cache for each request based on the enabled state. By default,
 #### page.setContent(html[, options])
 - `html` <[string]> HTML markup to assign to the page.
 - `options` <[Object]> Parameters which might have the following properties:
-  - `timeout` <[number]> Maximum time in milliseconds for resources to load, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum time in milliseconds for resources to load, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">>  When to consider setting markup succeeded, defaults to `load`. Given an array of event strings, setting content is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider setting content to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider setting content to be finished when the `DOMContentLoaded` event is fired.
@@ -1307,28 +1330,18 @@ This setting will change the default maximum navigation time for the following m
 - [page.goto(url[, options])](#pagegotourl-options)
 - [page.reload([options])](#pagereloadoptions)
 - [page.setContent(html[, options])](#pagesetcontenthtml-options)
+- [page.waitForLoadState([options])](#pagewaitforloadstateoptions)
 - [page.waitForNavigation([options])](#pagewaitfornavigationoptions)
 
-> **NOTE** [`page.setDefaultNavigationTimeout`](#pagesetdefaultnavigationtimeouttimeout) takes priority over [`page.setDefaultTimeout`](#pagesetdefaulttimeouttimeout)
+> **NOTE** [`page.setDefaultNavigationTimeout`](#pagesetdefaultnavigationtimeouttimeout) takes priority over [`page.setDefaultTimeout`](#pagesetdefaulttimeouttimeout), [`browserContext.setDefaultTimeout`](#browsercontextsetdefaulttimeouttimeout) and [`browserContext.setDefaultNavigationTimeout`](#browsercontextsetdefaultnavigationtimeouttimeout).
 
 
 #### page.setDefaultTimeout(timeout)
 - `timeout` <[number]> Maximum time in milliseconds
 
-This setting will change the default maximum time for the following methods and related shortcuts:
-- [page.goBack([options])](#pagegobackoptions)
-- [page.goForward([options])](#pagegoforwardoptions)
-- [page.goto(url[, options])](#pagegotourl-options)
-- [page.reload([options])](#pagereloadoptions)
-- [page.setContent(html[, options])](#pagesetcontenthtml-options)
-- [page.waitFor(selectorOrFunctionOrTimeout[, options[, ...args]])](#pagewaitforselectororfunctionortimeout-options-args)
-- [page.waitForFunction(pageFunction[, options[, ...args]])](#pagewaitforfunctionpagefunction-options-args)
-- [page.waitForNavigation([options])](#pagewaitfornavigationoptions)
-- [page.waitForRequest(urlOrPredicate[, options])](#pagewaitforrequesturlorpredicate-options)
-- [page.waitForResponse(urlOrPredicate[, options])](#pagewaitforresponseurlorpredicate-options)
-- [page.waitForSelector(selector[, options])](#pagewaitforselectorselector-options)
+This setting will change the default maximum time for all the methods accepting `timeout` option.
 
-> **NOTE** [`page.setDefaultNavigationTimeout`](#pagesetdefaultnavigationtimeouttimeout) takes priority over [`page.setDefaultTimeout`](#pagesetdefaulttimeouttimeout)
+> **NOTE** [`page.setDefaultNavigationTimeout`](#pagesetdefaultnavigationtimeouttimeout) takes priority over [`page.setDefaultTimeout`](#pagesetdefaulttimeouttimeout).
 
 #### page.setExtraHTTPHeaders(headers)
 - `headers` <[Object]> An object containing additional HTTP headers to be sent with every request. All header values must be strings.
@@ -1376,7 +1389,7 @@ Shortcut for [page.mainFrame().title()](#frametitle).
     - y <[number]>
   - `modifiers` <[Array]<"Alt"|"Control"|"Meta"|"Shift">> Modifier keys to press. Ensures that only these modifiers are pressed during the triple click, and then restores current modifiers back. If not specified, currently pressed modifiers are used.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully triple clicked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, scrolls it into view if needed, and then uses [page.mouse](#pagemouse) to triple click in the center of the element.
@@ -1394,7 +1407,7 @@ Shortcut for [page.mainFrame().tripleclick(selector[, options])](#frametriplecli
 - `options` <[Object]>
   - `delay` <[number]> Time to wait between key presses in milliseconds. Defaults to 0.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]>
 
 Sends a `keydown`, `keypress`/`input`, and `keyup` event for each character in the text.
@@ -1412,7 +1425,7 @@ Shortcut for [page.mainFrame().type(selector, text[, options])](#frametypeselect
 - `selector` <[string]> A selector to search for uncheckbox to check. If there are multiple elements satisfying the selector, the first will be checked.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully checked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, if element is not already unchecked, it scrolls it into view if needed, and then uses [page.click](#pageclickselector-options) to click in the center of the element.
@@ -1437,7 +1450,7 @@ This is a shortcut for [page.mainFrame().url()](#frameurl)
   - `polling` <[number]|"raf"|"mutation"> An interval at which the `pageFunction` is executed, defaults to `raf`. If `polling` is a number, then it is treated as an interval in milliseconds at which the function would be executed. If `polling` is a string, then it can be one of the following values:
     - `'raf'` - to constantly execute `pageFunction` in `requestAnimationFrame` callback. This is the tightest polling mode which is suitable to observe styling changes.
     - `'mutation'` - to execute `pageFunction` on every DOM mutation.
-  - `timeout` <[number]> maximum time to wait for in milliseconds. Defaults to `30000` (30 seconds). Pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> maximum time to wait for in milliseconds. Defaults to `30000` (30 seconds). Pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - `...args` <...[Serializable]|[JSHandle]> Arguments to pass to  `pageFunction`
 - returns: <[Promise]<[JSHandle]>> Promise which resolves to a JSHandle of the success value
 
@@ -1473,7 +1486,7 @@ Shortcut for [page.mainFrame().waitFor(selectorOrFunctionOrTimeout[, options[, .
   - `polling` <[number]|"raf"|"mutation"> An interval at which the `pageFunction` is executed, defaults to `raf`. If `polling` is a number, then it is treated as an interval in milliseconds at which the function would be executed. If `polling` is a string, then it can be one of the following values:
     - `'raf'` - to constantly execute `pageFunction` in `requestAnimationFrame` callback. This is the tightest polling mode which is suitable to observe styling changes.
     - `'mutation'` - to execute `pageFunction` on every DOM mutation.
-  - `timeout` <[number]> maximum time to wait for in milliseconds. Defaults to `30000` (30 seconds). Pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> maximum time to wait for in milliseconds. Defaults to `30000` (30 seconds). Pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]<[any]>> Promise which resolves to the event data value.
 
 Waits for event to fire and passes its value into the predicate function. Resolves when the predicate returns truthy value.
@@ -1513,7 +1526,7 @@ Shortcut for [page.mainFrame().waitForFunction(pageFunction[, options[, ...args]
 
 #### page.waitForLoadState([options])
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">>  When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider navigation to be finished when the `DOMContentLoaded` event is fired.
@@ -1533,7 +1546,7 @@ Shortcut for [page.mainFrame().waitForLoadState([options])](#framewaitforloadsta
 
 #### page.waitForNavigation([options])
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `url` <[string]|[RegExp]|[Function]> A glob pattern, regex pattern or predicate receiving [URL] to match while waiting for the navigation.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">>  When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
@@ -1575,7 +1588,7 @@ await page.waitForRequest(request => request.url().searchParams.get('foo') === '
 #### page.waitForResponse(urlOrPredicate[, options])
 - `urlOrPredicate` <?[string]|[RegExp]|[Function]> Optional. Request URL string, regex or predicate receiving [Response] object.
 - `options` <[Object]> Optional waiting parameters
-  - `timeout` <[number]> Maximum wait time in milliseconds, defaults to 30 seconds, pass `0` to disable the timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum wait time in milliseconds, defaults to 30 seconds, pass `0` to disable the timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]<[Response]>> Promise which resolves to the matched response.
 
 ```js
@@ -1588,7 +1601,7 @@ return finalResponse.ok();
 - `selector` <[string]> A selector of an element to wait for
 - `options` <[Object]>
   - `visibility` <"visible"|"hidden"|"any"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`). Defaults to `any`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]<?[ElementHandle]>> Promise which resolves when element specified by selector string is added to DOM. Resolves to `null` if waiting for `hidden: true` and selector is not found in DOM.
 
 Wait for the `selector` to appear in page. If at the moment of calling
@@ -1744,7 +1757,7 @@ const html = await frame.$eval('.main-container', e => e.outerHTML);
 - `selector` <[string]> A selector of an element to wait for
 - `options` <[Object]>
   - `visibility` <"visible"|"hidden"|"any"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`). Defaults to `any`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]<?[ElementHandle]>> Promise which resolves when element specified by selector string is added to DOM. Resolves to `null` if waiting for `hidden: true` and selector is not found in DOM.
 
 Wait for the `selector` to appear in page. If at the moment of calling
@@ -1782,7 +1795,7 @@ Adds a `<link rel="stylesheet">` tag into the page with the desired url or a `<s
 - `selector` <[string]> A selector to search for checkbox to check. If there are multiple elements satisfying the selector, the first will be checked.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully checked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, if element is not already checked, it scrolls it into view if needed, and then uses [frame.click](#frameclickselector-options) to click in the center of the element.
@@ -1802,7 +1815,7 @@ If there's no element matching `selector`, the method throws an error.
     - y <[number]>
   - `modifiers` <[Array]<"Alt"|"Control"|"Meta"|"Shift">> Modifier keys to press. Ensures that only these modifiers are pressed during the click, and then restores current modifiers back. If not specified, currently pressed modifiers are used.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully clicked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, scrolls it into view if needed, and then uses [page.mouse](#pagemouse) to click in the center of the element.
@@ -1832,7 +1845,7 @@ Gets the full HTML contents of the frame, including the doctype.
     - y <[number]>
   - `modifiers` <[Array]<"Alt"|"Control"|"Meta"|"Shift">> Modifier keys to press. Ensures that only these modifiers are pressed during the double click, and then restores current modifiers back. If not specified, currently pressed modifiers are used.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully double clicked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, scrolls it into view if needed, and then uses [page.mouse](#pagemouse) to double click in the center of the element.
@@ -1904,7 +1917,7 @@ await resultHandle.dispose();
 - `value` <[string]> Value to fill for the `<input>`, `<textarea>` or `[contenteditable]` element.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully filled. The promise will be rejected if there is no element matching `selector`.
 
 This method focuses the element and triggers an `input` event after filling.
@@ -1914,7 +1927,7 @@ If there's no text `<input>`, `<textarea>` or `[contenteditable]` element matchi
 - `selector` <[string]> A selector of an element to focus. If there are multiple elements satisfying the selector, the first will be focused.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully focused. The promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector` and focuses it.
@@ -1936,7 +1949,7 @@ console.log(frame === contentFrame);  // -> true
 #### frame.goto(url[, options])
 - `url` <[string]> URL to navigate frame to. The url should include scheme, e.g. `https://`.
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">>  When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider navigation to be finished when the `DOMContentLoaded` event is fired.
@@ -1967,7 +1980,7 @@ console.log(frame === contentFrame);  // -> true
     - y <[number]>
   - `modifiers` <[Array]<"Alt"|"Control"|"Meta"|"Shift">> Modifier keys to press. Ensures that only these modifiers are pressed during the hover, and then restores current modifiers back. If not specified, currently pressed modifiers are used.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully hovered. Promise gets rejected if there's no element matching `selector`.
 
 This method fetches an element with `selector`, scrolls it into view if needed, and then uses [page.mouse](#pagemouse) to hover over the center of the element.
@@ -1998,7 +2011,7 @@ If the name is empty, returns the id attribute instead.
   - `index` <[number]> Matches by the index.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]<[Array]<[string]>>> An array of option values that have been successfully selected.
 
 Triggers a `change` and `input` event once all the provided options have been selected.
@@ -2021,7 +2034,7 @@ frame.select('select#colors', { value: 'blue' }, { index: 2 }, 'red');
 #### frame.setContent(html[, options])
 - `html` <[string]> HTML markup to assign to the page.
 - `options` <[Object]> Parameters which might have the following properties:
-  - `timeout` <[number]> Maximum time in milliseconds for resources to load, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum time in milliseconds for resources to load, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">>  When to consider setting markup succeeded, defaults to `load`. Given an array of event strings, setting content is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider setting content to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider setting content to be finished when the `DOMContentLoaded` event is fired.
@@ -2042,7 +2055,7 @@ frame.select('select#colors', { value: 'blue' }, { index: 2 }, 'red');
     - y <[number]>
   - `modifiers` <[Array]<"Alt"|"Control"|"Meta"|"Shift">> Modifier keys to press. Ensures that only these modifiers are pressed during the triple click, and then restores current modifiers back. If not specified, currently pressed modifiers are used.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully triple clicked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, scrolls it into view if needed, and then uses [page.mouse](#pagemouse) to triple click in the center of the element.
@@ -2058,7 +2071,7 @@ Bear in mind that if the first or second click of the `tripleclick()` triggers a
 - `options` <[Object]>
   - `delay` <[number]> Time to wait between key presses in milliseconds. Defaults to 0.
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]>
 
 Sends a `keydown`, `keypress`/`input`, and `keyup` event for each character in the text.
@@ -2074,7 +2087,7 @@ await frame.type('#mytextarea', 'World', {delay: 100}); // Types slower, like a
 - `selector` <[string]> A selector to search for uncheckbox to check. If there are multiple elements satisfying the selector, the first will be checked.
 - `options` <[Object]>
   - `waitFor` <"visible"|"hidden"|"any"|"nowait"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`) or do not wait at all (`nowait`). Defaults to `visible`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]> Promise which resolves when the element matching `selector` is successfully checked. The Promise will be rejected if there is no element matching `selector`.
 
 This method fetches an element with `selector`, if element is not already unchecked, it scrolls it into view if needed, and then uses [frame.click](#frameclickselector-options) to click in the center of the element.
@@ -2092,7 +2105,7 @@ Returns frame's url.
   - `polling` <[number]|"raf"|"mutation"> An interval at which the `pageFunction` is executed, defaults to `raf`. If `polling` is a number, then it is treated as an interval in milliseconds at which the function would be executed. If `polling` is a string, then it can be one of the following values:
     - `'raf'` - to constantly execute `pageFunction` in `requestAnimationFrame` callback. This is the tightest polling mode which is suitable to observe styling changes.
     - `'mutation'` - to execute `pageFunction` on every DOM mutation.
-  - `timeout` <[number]> maximum time to wait for in milliseconds. Defaults to `30000` (30 seconds). Pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> maximum time to wait for in milliseconds. Defaults to `30000` (30 seconds). Pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - `...args` <...[Serializable]|[JSHandle]> Arguments to pass to  `pageFunction`
 - returns: <[Promise]<[JSHandle]>> Promise which resolves to a JSHandle of the success value
 
@@ -2125,7 +2138,7 @@ await page.waitFor(selector => !!document.querySelector(selector), {}, selector)
   - `polling` <[number]|"raf"|"mutation"> An interval at which the `pageFunction` is executed, defaults to `raf`. If `polling` is a number, then it is treated as an interval in milliseconds at which the function would be executed. If `polling` is a string, then it can be one of the following values:
     - `'raf'` - to constantly execute `pageFunction` in `requestAnimationFrame` callback. This is the tightest polling mode which is suitable to observe styling changes.
     - `'mutation'` - to execute `pageFunction` on every DOM mutation.
-  - `timeout` <[number]> maximum time to wait for in milliseconds. Defaults to `30000` (30 seconds). Pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> maximum time to wait for in milliseconds. Defaults to `30000` (30 seconds). Pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - `...args` <...[Serializable]|[JSHandle]> Arguments to pass to  `pageFunction`
 - returns: <[Promise]<[JSHandle]>> Promise which resolves when the `pageFunction` returns a truthy value. It resolves to a JSHandle of the truthy value.
 
@@ -2152,7 +2165,7 @@ await page.waitForFunction(selector => !!document.querySelector(selector), {}, s
 
 #### frame.waitForLoadState([options])
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">>  When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
     - `'domcontentloaded'` - consider navigation to be finished when the `DOMContentLoaded` event is fired.
@@ -2170,7 +2183,7 @@ await frame.waitForLoadState(); // The promise resolves after navigation has fin
 
 #### frame.waitForNavigation([options])
 - `options` <[Object]> Navigation parameters which might have the following properties:
-  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
+  - `timeout` <[number]> Maximum navigation time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultNavigationTimeout(timeout)](#browsercontextsetdefaultnavigationtimeouttimeout), [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout), [page.setDefaultNavigationTimeout(timeout)](#pagesetdefaultnavigationtimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
   - `url` <[string]|[RegExp]|[Function]> URL string, URL regex pattern or predicate receiving [URL] to match while waiting for the navigation.
   - `waitUntil` <"load"|"domcontentloaded"|"networkidle0"|"networkidle2"|[Array]<"load"|"domcontentloaded"|"networkidle0"|"networkidle2">>  When to consider navigation succeeded, defaults to `load`. Given an array of event strings, navigation is considered to be successful after all events have been fired. Events can be either:
     - `'load'` - consider navigation to be finished when the `load` event is fired.
@@ -2196,7 +2209,7 @@ const [response] = await Promise.all([
 - `selector` <[string]> A selector of an element to wait for
 - `options` <[Object]>
   - `visibility` <"visible"|"hidden"|"any"> Wait for element to become visible (`visible`), hidden (`hidden`), present in dom (`any`). Defaults to `any`.
-  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) method.
+  - `timeout` <[number]> Maximum time in milliseconds, defaults to 30 seconds, pass `0` to disable timeout. The default value can be changed by using the [browserContext.setDefaultTimeout(timeout)](#browsercontextsetdefaulttimeouttimeout) or [page.setDefaultTimeout(timeout)](#pagesetdefaulttimeouttimeout) methods.
 - returns: <[Promise]<?[ElementHandle]>> Promise which resolves when element specified by selector string is added to DOM. Resolves to `null` if waiting for `hidden: true` and selector is not found in DOM.
 
 Wait for the `selector` to appear in page. If at the moment of calling
diff --git a/src/browserContext.ts b/src/browserContext.ts
index 7c819ae372..39ac5859c5 100644
--- a/src/browserContext.ts
+++ b/src/browserContext.ts
@@ -21,6 +21,7 @@ import * as types from './types';
 import { helper } from './helper';
 import * as platform from './platform';
 import { Events } from './events';
+import { TimeoutSettings } from './timeoutSettings';
 
 export interface BrowserContextDelegate {
   pages(): Promise<Page[]>;
@@ -53,11 +54,13 @@ export type BrowserContextOptions = {
 export class BrowserContext extends platform.EventEmitter {
   private readonly _delegate: BrowserContextDelegate;
   readonly _options: BrowserContextOptions;
+  readonly _timeoutSettings: TimeoutSettings;
   private _closed = false;
 
   constructor(delegate: BrowserContextDelegate, options: BrowserContextOptions) {
     super();
     this._delegate = delegate;
+    this._timeoutSettings = new TimeoutSettings();
     this._options = { ...options };
     if (!this._options.viewport && this._options.viewport !== null)
       this._options.viewport = { width: 800, height: 600 };
@@ -78,6 +81,14 @@ export class BrowserContext extends platform.EventEmitter {
     return this._delegate.existingPages();
   }
 
+  setDefaultNavigationTimeout(timeout: number) {
+    this._timeoutSettings.setDefaultNavigationTimeout(timeout);
+  }
+
+  setDefaultTimeout(timeout: number) {
+    this._timeoutSettings.setDefaultTimeout(timeout);
+  }
+
   async pages(): Promise<Page[]> {
     return this._delegate.pages();
   }
diff --git a/src/page.ts b/src/page.ts
index 9ca1ad129b..8f7aa4989d 100644
--- a/src/page.ts
+++ b/src/page.ts
@@ -145,7 +145,7 @@ export class Page extends platform.EventEmitter {
     this.accessibility = new accessibility.Accessibility(delegate.getAccessibilityTree.bind(delegate));
     this.keyboard = new input.Keyboard(delegate.rawKeyboard);
     this.mouse = new input.Mouse(delegate.rawMouse, this.keyboard);
-    this._timeoutSettings = new TimeoutSettings();
+    this._timeoutSettings = new TimeoutSettings(browserContext._timeoutSettings);
     this._screenshotter = new Screenshotter(this);
     this._frameManager = new frames.FrameManager(this);
     if (delegate.pdf)
diff --git a/src/timeoutSettings.ts b/src/timeoutSettings.ts
index a452ab7608..4669248239 100644
--- a/src/timeoutSettings.ts
+++ b/src/timeoutSettings.ts
@@ -18,9 +18,14 @@
 const DEFAULT_TIMEOUT = 30000;
 
 export class TimeoutSettings {
+  private _parent: TimeoutSettings | undefined;
   private _defaultTimeout: number | null = null;
   private _defaultNavigationTimeout: number | null = null;
 
+  constructor(parent?: TimeoutSettings) {
+    this._parent = parent;
+  }
+
   setDefaultTimeout(timeout: number) {
     this._defaultTimeout = timeout;
   }
@@ -34,12 +39,16 @@ export class TimeoutSettings {
       return this._defaultNavigationTimeout;
     if (this._defaultTimeout !== null)
       return this._defaultTimeout;
+    if (this._parent)
+      return this._parent.navigationTimeout();
     return DEFAULT_TIMEOUT;
   }
 
-  timeout() {
+  timeout(): number {
     if (this._defaultTimeout !== null)
       return this._defaultTimeout;
+    if (this._parent)
+      return this._parent.timeout();
     return DEFAULT_TIMEOUT;
   }
 }
diff --git a/test/navigation.spec.js b/test/navigation.spec.js
index 47cb0493ae..6261829630 100644
--- a/test/navigation.spec.js
+++ b/test/navigation.spec.js
@@ -199,22 +199,44 @@ module.exports.describe = function({testRunner, expect, playwright, MAC, WIN, FF
       // Hang for request to the empty.html
       server.setRoute('/empty.html', (req, res) => { });
       let error = null;
+      page.context().setDefaultNavigationTimeout(2);
       page.setDefaultNavigationTimeout(1);
       await page.goto(server.PREFIX + '/empty.html').catch(e => error = e);
       const message = 'Navigation timeout of 1 ms exceeded';
       expect(error.message).toContain(message);
       expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
     });
+    it('should fail when exceeding browser context navigation timeout', async({page, server}) => {
+      // Hang for request to the empty.html
+      server.setRoute('/empty.html', (req, res) => { });
+      let error = null;
+      page.context().setDefaultNavigationTimeout(2);
+      await page.goto(server.PREFIX + '/empty.html').catch(e => error = e);
+      const message = 'Navigation timeout of 2 ms exceeded';
+      expect(error.message).toContain(message);
+      expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
+    });
     it('should fail when exceeding default maximum timeout', async({page, server}) => {
       // Hang for request to the empty.html
       server.setRoute('/empty.html', (req, res) => { });
       let error = null;
+      page.context().setDefaultTimeout(2);
       page.setDefaultTimeout(1);
       await page.goto(server.PREFIX + '/empty.html').catch(e => error = e);
       const message = 'Navigation timeout of 1 ms exceeded';
       expect(error.message).toContain(message);
       expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
     });
+    it('should fail when exceeding browser context timeout', async({page, server}) => {
+      // Hang for request to the empty.html
+      server.setRoute('/empty.html', (req, res) => { });
+      let error = null;
+      page.context().setDefaultTimeout(2);
+      await page.goto(server.PREFIX + '/empty.html').catch(e => error = e);
+      const message = 'Navigation timeout of 2 ms exceeded';
+      expect(error.message).toContain(message);
+      expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
+    });
     it('should prioritize default navigation timeout over default timeout', async({page, server}) => {
       // Hang for request to the empty.html
       server.setRoute('/empty.html', (req, res) => { });