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

Question

I\'ve written a jQuery plug-in that\'s for use on both desktop and mobile devices. I wondered if there is a way with JavaScript to detect if the device has touch screen capa

Answer 1

I like this one:

function isTouchDevice(){
    return typeof window.ontouchstart !== 'undefined';
}

alert(isTouchDevice());