Check / Uncheck All with Javascript and Prototype
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<title>Test</title>
<script type="text/javascript" charset="utf-8" src="http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.3/prototype.js">
</script>
</head>
<body id="mypage">
<input id="checkbox_selector" type="checkbox" value="0" /><label for="checkbox_selector"> Select / Deselect All</label> <br />
<form id="myform">
<input type="checkbox" value="0" /> <br />
<input type="checkbox" value="0" /> <br />
<input type="checkbox" value="0" /> <br />
<input type="checkbox" value="0" /> <br />
<input type="checkbox" value="0" /> <br />
</form>
<script type="text/javascript" charset="utf-8">
var checkboxes = $$("#myform input[type=checkbox]");
var cbControl = $("checkbox_selector");
cbControl.observe("click", function(){
checkboxes.each(function(box){
box.checked = cbControl.checked;
});
});
</script>
</body>
</html>
Original snippet written by Brian Hogan
Last updated at 12:24 PM on Nov 11, 2008
by Brian Hogan