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Last active May 31, 2025 20:20
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Analyze the viewport size #js
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viewport.md

It’s possible to analyze the viewport size in JavaScript but it’s a little messy:

  • Most browsers support window.innerWidth and window.innerHeight.

  • But IE6, 7, 8 and 9 in quirks mode require document.body.clientWidth and document.body.clientHeight.

  • All the main browsers support document.documentElement.clientWidth and document.documentElement.clientHeight but it’s inconsistent. Either the window or document dimensions will be returned depending on the browser and mode.

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