gistfile1.js

(function () {
	var ua = /iPhone|iP[oa]d/.test(navigator.userAgent)
		? 'iOS'
		: /Android/.test(navigator.userAgent)
			? 'Android'
			: 'PC'
	;

	document.addEventListener('DOMContentLoaded', function (event) {
		if(ua == 'PC'){
			return;
		}

		document.addEventListener('touchstart', function () {
			alert('Touch!');
		}, false);
		
		var touchEvent = createTouchEvent();
		
		setTimeout(function () {
			document.dispatchEvent(touchEvent);
		}, 3000);
		
	}, false);

	function createTouchEvent (option) {
	    	option = option || {};
		var param = {
			type: 'touchstart',
			canBubble: true,
			cancelable: true,
			view: window,
			detail: 0,
			screenX: 0,
			screenY: 0,
			clientX: 0,
			clientY: 0,
			ctrlKey: false,
			altKey: false,
			shiftKey: false,
			metaKey: false,
			touches: 0,
			targetTouches: 0,
			changedTouches: 0,
			scale: 0,
			rotation: 0,
		    	touchItem: 0
		}

		for(var i in param) if(param.hasOwnProperty(i)){
			param[i] = option[i] !== undefined
				? option[i]
				: param[i]
			;
		}

		var event = document.createEvent('TouchEvent');

		if(ua === 'Android'){
			event.initTouchEvent(param.touchItem, param.touchItem, param.touchItem, param.type, param.view, param.screenX, param.screenY, param.clientX, param.clientY, param.ctrlKey, param.altKey, param.shiftKey, param.metaKey);
		}else{
			event.initTouchEvent(param.type, param.canBubble, param.cancelable, param.view, param.detail, param.screenX, param.screenY, param.clientX, param.clientY, param.ctrlKey, param.altKey, param.shiftKey, param.metaKey, param.touches, param.targetTouches, param.changedTouches, param.scale, param.rotation);
		}
		return event;
	}
})();