What's the best way to detect a 'touch screen' device using JavaScript?

The best way to detect a ‘touch screen’ device, is to work around to see whether the touch methods are present within the document model or not.

function checkTouchDevice() {
   return 'ontouchstart' in document.documentElement;

Here, you can also use it to detect mobile or desktop, like the following −

if (checkTouchDevice()) {
   // Mobile device
} else {
   // Desktop

Updated on: 23-Jun-2020


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