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docs: minor updates to selectors.md (#5055)

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Dmitry Gozman 2021-01-19 10:48:18 -08:00 committed by GitHub
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docs/src/selectors.md
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@ -216,14 +216,14 @@ More advanced Shadow DOM use cases:
</article>
```
- Both `"css=article div"` and `"css:light=article div"` match the first `<div>In the light dom</div>`.
- Both `"css=article > div"` and `"css:light=article > div"` match two `div` elements that are direct children of the `article`.
- `"css=article .in-the-shadow"` matches the `<div class='in-the-shadow'>`, piercing the shadow root, while `"css:light=article .in-the-shadow"` does not match anything.
- `"css:light=article div > span"` does not match anything, because both light-dom `div` elements do not contain a `span`.
- `"css=article div > span"` matches the `<span class='content'>`, piercing the shadow root.
- `"css=article > .in-the-shadow"` does not match anything, because `<div class='in-the-shadow'>` is not a direct child of `article`
- `"css:light=article > .in-the-shadow"` does not match anything.
- `"css=article li#target"` matches the `<li id='target'>Deep in the shadow</li>`, piercing two shadow roots.
- Both `"article div"` and `":light(article div)"` match the first `<div>In the light dom</div>`.
- Both `"article > div"` and `":light(article > div)"` match two `div` elements that are direct children of the `article`.
- `"article .in-the-shadow"` matches the `<div class='in-the-shadow'>`, piercing the shadow root, while `":light(article .in-the-shadow)"` does not match anything.
- `":light(article div > span)"` does not match anything, because both light-dom `div` elements do not contain a `span`.
- `"article div > span"` matches the `<span class='content'>`, piercing the shadow root.
- `"article > .in-the-shadow"` does not match anything, because `<div class='in-the-shadow'>` is not a direct child of `article`
- `":light(article > .in-the-shadow)"` does not match anything.
- `"article li#target"` matches the `<li id='target'>Deep in the shadow</li>`, piercing two shadow roots.
## Selecting elements based on layout
@ -268,12 +268,12 @@ page.fill('input:right-of(:text("Username"))')
page.click('button:near(.promo-card)')
```
## XPpath selectors
## XPath selectors
XPath engine is equivalent to [`Document.evaluate`](https://developer.mozilla.org/en/docs/Web/API/Document/evaluate).
XPath selectors are equivalent to calling [`Document.evaluate`](https://developer.mozilla.org/en/docs/Web/API/Document/evaluate).
Example: `xpath=//html/body`.
Malformed selector starting with `//` or `..` is assumed to be an xpath selector. For example, Playwright
Selector starting with `//` or `..` is assumed to be an xpath selector. For example, Playwright
converts `'//html/body'` to `'xpath=//html/body'`.
:::note