Example : continuously change the background color by using
loop
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html
xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta
http-equiv="Content-Type" content="text/html;
charset=utf-8" />
<title> Background
effect by using loop </title>
<script
language="javascript">
var COLOR = 999999
var woot = 0
function stoploop() {
document.bgColor = '#fff';
clearTimeout(loopID);
}
function loopBackground() {
if (COLOR > 0) {
document.bgColor = '#' +
COLOR
COLOR -= 111111
loopID =
setTimeout("loopBackground()",1)
} else {
document.bgColor = '#000000'
woot += 10
COLOR = 999999
COLOR -= woot
loopID =
setTimeout("loopBackground()",1)
}
}
</script>
</head>
<body
style="width:800px; margin:0 auto">
<center>
<h3> continuously
change the background color by using loop </h3>
<FORM
NAME="background">
<INPUT
TYPE="button" VALUE="Start bgColor WARP"
onClick="loopBackground()">
<br>
<input
type="button" value="Stop bgColor WARP"
onClick="stoploop()">
</FORM>
</center>
</body>
</html>
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