24 lines
693 B
Markdown
24 lines
693 B
Markdown
---
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title: fullscreen
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tags: browser,intermediate
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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.prototype.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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