The search property represents the query portion of the URL, including the preceding question mark.
For example, the search for http://www.java2s.com/search.htm?term=javascript is ?term=javascript.
<html>
<head>
<title> Using the search property of the Location object</title>
</head>
<body>
<script language="JavaScript">
<!--
function show(){
alert(document.location.search);
}
-->
</script>
<form name="form1">
Click the button to get the current location.search
value of the following address:
<br>
http://www.java2s.com
<br><br>
<input type="button" name="getsearch" value="Get search" onClick='show()'>
<br>
</form>
</body>
</html>