Touch event detection

TouchEvent.js

/** 
    @class
    @description Checks for touch events and returns the appropriate supported touchevent                    
*/
(function(){
    var TouchEvent = (function() {
        // Mapping of Events, for easier reference
        var events = {
            'START': 'ontouchstart',
            'MOVE': 'ontouchmove',
            'END': 'ontouchend'
        };

        // Run through all events
        for (var evt in events) {
            var currEvt;
            // Check if the event is a property
            if (events.hasOwnProperty(evt)) {
                // Cache the current event
                currEvt = events[evt];
                // If the event doesn't exist, just return false
                if (!(currEvt in window)) {
                    return false;
                }

                // We need the actual event we can listen to later on
                events[evt] = currEvt.substr(2, currEvt.length);
            }
        }

        return events;

    }());

    window.TouchEvent = TouchEvent;
}());