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The following function is using 100% of a CPU core on my computer. Is there a way I could rewrite it to be non-recursive? Would that fix it or is it because my CPU sucks? Are others seeing the same performance problems on their computer?
Code:
<html>
<head>
<script type="text/javascript" src="jquery-1.7.1.js"></script>
<script type="text/javascript">
function timeMsg(n,max,delay)
{
writeToLog(n + "th: &#" + n,n);
var temp = n + 1;
if(n < max){
var t=setTimeout("timeMsg(" + temp + "," + max + "," + delay + ")",delay);
}
}
function writeToLog(text,n){
$("#log").html($("#log").html() + text + "<br/>");
//autoscrolling: doesn't work...'
}
</script>
</head>
<body>
<form>
<input type="button" value="Display alert box in 3 seconds" onClick="timeMsg(0,100000,100)" />
</form>
<div id="log"></div>
</body>
742
Instead of repeatedly calling setTimeout with slightly-different values, you could setup a global variable to track the current iteration, and use one call to setInterval() instead. setInterval is like setTimeout, except it will keep running indefinitely - you don't have to call it over and over again. That might help, a bit.
133
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