Javascript Sleep Function

Mike Lopez — Thu, 05 Feb 2009 09:36:38 +0000

I’ll make this short and quick. I’ve been searching the web for a Javascript sleep function that works and came across this. It was presented as a class but what I needed was just a function so I rewrote the code a bit. Here’s the end result of my Javascript sleep function which I named, well, jsleep.

function jsleep(s){
	s=s*1000;
	var a=true;
	var n=new Date();
	var w;
	var sMS=n.getTime();
	while(a){
		w=new Date();
		wMS=w.getTime();
		if(wMS-sMS>s) a=false;
	}
}
// how to use
alert('in the beginning there was a pause...');
jsleep(3);
alert('3 seconds after... the pause was gone.');

I’ve tested it in Google Chrome, Firefox 3 and Internet Explorer 7. Works like a charm.

Coders Cult » javascript sleep function

Javascript Sleep Function