javascript determine window width code example

Example 1: js window dimensions

// better than using window.innerWidth / window.innerHeight 
// because of scrollbars
const client = {
      width: document.documentElement.clientWidth,
      height: document.documentElement.clientHeight
}

Example 2: get window height javascript

<p id="demo"></p>

<script>
document.getElementById("demo").innerHTML = 
"Screen width is " + screen.width;
</script>