Detect iPad version http://stackoverflow.com/questions/7400489/ipad-version-detection-in-javascript/11262586#11262586

detect-ipad-version.js

var ipad_version = 0;
window.ondevicemotion = function(event) {
	if (navigator.platform.indexOf("iPad") != -1) {
		ipad_version = 1;
		if (event.acceleration) ipad_version += window.devicePixelRatio;
	}
	window.ondevicemotion = null;
	get_ipad_version();
}
setTimeout(function(){alert(ipad_version)},3000);