The search property represents the query portion of the URL (if available).
This includes the leading question mark (?).
<html>
<head>
<title> Using the search property of the Link object</title>
</head>
<body>
<script language="JavaScript">
<!--
function showsearch(){
alert(document.links[0].search);
}
-->
</script>
Click the button to see the search portion of the URL
<form name="form1">
<a href=http://www.java2s.com>
http://www.java2s.com</a>
<br><br>
<input type="button" name="search" value="Get Search portion" onClick='showsearch()'>
<br>
</form>
</body>
</html>