//listen for window resize event window.addEventListener('resize', function(event){ var newWidth = window.innerWidth; var newHeight = window.innerHeight; });
window.addEventListener("resize", () => { // CODE });
window.addEventListener('resize', functionName);
<p>Resize the browser window to fire the <code>resize</code> event.</p> <p>Window height: <span id="height"></span></p> <p>Window width: <span id="width"></span></p>