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Added title with h1 tag. (#27539)

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Matthew Piestrak
2019-03-21 09:38:09 -04:00
committed by The Coding Aviator
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guide/english/javascript/html-dom-queryselector/index.md
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title: HTML DOM querySelector()
---
# HTML DOM querySelector()
The Document method `querySelector()` returns the `first` Element within the document that matches the specified selector, or group of selectors. If no matches are found,null is returned.
**HTML content:**