30-seconds-of-code
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A collection of useful JavaScript snippets.
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Markdown
### isBrowserTabFocused
Returns `true` if the browser tab of the page is focused, `false` otherwise.
Use the `Document.hidden` property, introduced by the Page Visibility API to check if the browser tab of the page is visible or hidden.
```js
const isBrowserTabFocused = () => !document.hidden;
```
```js
isBrowserTabFocused(); // true
```