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docs(readme): update hero snippet to illustrate single API

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README.md
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@ -7,7 +7,7 @@
###### [API](https://github.com/microsoft/playwright/blob/master/docs/api.md) | [FAQ](#faq) | [Contributing](#contributing)
Playwright is a Node library to automate the [Chromium](https://www.chromium.org/Home), [WebKit](https://webkit.org/) and [Firefox](https://www.mozilla.org/en-US/firefox/new/) browsers. This includes support for the new Microsoft Edge browser, which is based on Chromium.
Playwright is a Node library to automate the [Chromium](https://www.chromium.org/Home), [WebKit](https://webkit.org/) and [Firefox](https://www.mozilla.org/en-US/firefox/new/) browsers with **a single API**. This includes support for the new Microsoft Edge browser, which is based on Chromium.
Playwright is focused on enabling **cross-browser** web automation platform that is **ever-green**, **capable**, **reliable** and **fast**. Our primary goal with Playwright is to improve automated UI testing by eliminating flakiness, improving the speed of execution and offering insights into the browser operation.
@ -17,7 +17,8 @@ Playwright is focused on enabling **cross-browser** web automation platform that
| Chromium| 81.0.4032 | :white_check_mark: | :white_check_mark: | :white_check_mark: |
| WebKit | 13.0.4 | :white_check_mark: | :white_check_mark: | :white_check_mark: |
| Firefox |73.0b3 | :white_check_mark: | :white_check_mark: | :white_check_mark: |
- Headless is supported for all browsers on all platforms.
Headless is supported for all browsers on all platforms.
### Installation
@ -35,23 +36,27 @@ Playwright can be used to create a browser instance, open pages, and then manipu
#### Page screenshot
This code snippet navigates to example.com in WebKit, and saves a screenshot.
This code snippet navigates to thismachine.info in Chromium, Firefox and WebKit, and saves 3 screenshots.
```js
const pw = require('playwright');
(async () => {
const browser = await pw.webkit.launch(); // or 'chromium', 'firefox'
const browsers = ['chromium', 'firefox', 'webkit'];
browsers.forEach(async browserName => {
const browser = await pw[browserName].launch();
const context = await browser.newContext();
const page = await context.newPage();
await page.goto('https://www.example.com/');
await page.screenshot({ path: 'example.png' });
const page = await context.newPage('http://thismachine.info/');
await page.screenshot({ path: `example-${browserName}.png` });
await browser.close();
});
})();
```
#### Mobile and geolocation
This snippet emulates Mobile Safari on a device at a given geolocation, navigates to maps.google.com, performs action and takes a screenshot.
```js