Flying Scripts: Delay JavaScript to Improve Site Speed & Performance / 1.1.1

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance v1.1.1

flying-scripts / source.js

source.js in Flying Scripts: Delay JavaScript to Improve Site Speed & Performance 1.1.1, at source.js

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1	const loadScriptsTimer = setTimeout(loadScripts, 5000);
2	const events = ["mouseover", "scroll", "keydown", "touchmove", "touchstart"];
3	events.forEach(function(event) {
4	window.addEventListener(event, triggerScriptLoader, { passive: true });
5	});
6
7	function triggerScriptLoader() {
8	loadScripts();
9	clearTimeout(loadScriptsTimer);
10	events.forEach(function(event) {
11	window.removeEventListener(event, triggerScriptLoader, { passive: true });
12	});
13	}
14
15	function loadScripts() {
16	document.querySelectorAll("script[type='lazy']").forEach(function(elem) {
17	elem.setAttribute("type", "text/javascript");
18	elem.setAttribute("src", elem.getAttribute("data-src"));
19	});
20	}
21