Dynamic resource loading with LAB.js

DynResourceLoader.js

DynResourceLoader = Class.create({
	initialize: function () {
		document.observe("custom:pageAddedToDOM", this.load.bind(this));
	},

	load: function (e) {

		var page = e.memo;

		if (page.hasAttribute("data-required-js")) {

			page.getAttribute("data-required-js").split(/,[ ]*/).each(function (r) {
				$LAB.queueScript(r);
				$LAB.queueWait();    //wait forces ordered execution (downloads can still be parallel)
			});
			$LAB.runQueue();
		}
	}
});