Get the browser window dimensions (height and width) with JavaScript

Solution

var height = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
var width = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);

Example

This example shows the dimensions of your current browser window in real-time. Resize your browser to see the updated actual dimensions:

Height:

Width:

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