Javascript: Change Background Color
<html>
<head>
<title>Change Color on click Cheskbox</title>
<script language="javascript">
function rcolor()
{
document.bgColor=f1.c1.checked ? "lightblue" : "white";
}
function lgcolor()
{
document.bgColor=f1.c2.checked ? "lightgrey" : "white";
}
function lycolor()
{
document.bgColor=f1.c3.checked ? "lightyellow" : "white";
}
</script>
</head>
<body>
<form name=f1>
<input type="checkbox" name=c1 onclick="rcolor()">Lightblue<br>
<input type="checkbox" name=c2 onclick="lgcolor()">Lightgrey<br>
<input type="checkbox" name=c3 onclick="lycolor()">Lightyellow <br>
</form>
</body>
</html>
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