JavaScript unified timeout/interval shim

gistfile1.js

// Based on the exceptional work of Arian Stolwijk (https://github.com/arian), https://gist.github.com/9286b06108b1dabae4d9

(function(global){

	var defaults = {
			'setTimeout': global.setTimeout,
			'clearTimeout': global.clearTimeout,
			'setInterval': global.setInterval,
			'clearInterval': global.clearInterval
		},
		objects = [];

	function getTime() {
		return +(new Date());
	}

	function setObject(type, callback, delay) {
		var id = objects.length;
		objects.push({
			'callback': callback,
			'time': getTime(),
			'delay': delay,
			'type': type,
			'id': id
		});
		return id;
	}

	function clearObject(id) {
		var i = objects.length;
		while (i--) {
			if (objects[i].id == id){
				objects.splice(i, 1);
			}
		}
	}

	function setTimeout(callback, delay) {
		return setObject('timeout', callback, delay);
	}

	function setInterval(callback, delay) {
		return setObject('interval', callback, delay);
	}

	function clearTimeout(id) {
		clearObject.call(global, id);
	}
	
	function clearInterval(id) {
		clearObject.call(global, id);
	}
	
	function tick() {
		var time = getTime(),
			i = objects.length;

		while (i--) {
			var object = objects[i];
			if (time > object.time + object.delay) {
				object.callback();
				if (object.type == 'timeout') {
					clearObject(object.id);
				} else {
					object.time = time;
				}
			}
			object = null;
		}

		i = null;
		time = null;
	}

	defaults.setInterval.call(global, tick, 10);

	global.setTimeout = setTimeout;
	global.clearTimeout = clearTimeout;
	global.setInterval = setInterval;
	global.clearInterval = clearInterval;

}(typeof exports != 'undefined' ? exports : window));