28 lines
787 B
Markdown
28 lines
787 B
Markdown
---
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title: Toggle fullscreen mode
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type: snippet
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language: javascript
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tags: [browser]
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cover: cloudy-mountaintop-2
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dateModified: 2020-10-19T22:49:51+03:00
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---
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Opens or closes an element in fullscreen mode.
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- Use `Document.querySelector()` and `Element.requestFullscreen()` to open the given element in fullscreen.
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- Use `Document.exitFullscreen()` to exit fullscreen mode.
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- Omit the second argument, `el`, to use `body` as the default element.
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- Omit the first element, `mode`, to open the element in fullscreen mode by default.
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```js
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const fullscreen = (mode = true, el = 'body') =>
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mode
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? document.querySelector(el).requestFullscreen()
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: document.exitFullscreen();
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```
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```js
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fullscreen(); // Opens `body` in fullscreen mode
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fullscreen(false); // Exits fullscreen mode
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```
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