The target property represents the name of the window in which the URL is to be displayed.
<html>
<head>
<title> Using the target property of the Link object</title>
</head>
<body>
<script language="JavaScript">
<!--
function showtarget(){
alert(document.links[0].target);
}
-->
</script>
Click the button to see the target of the URL
<form name="form1">
<a href=http://www.java2s.com>
http://www.java2s.com</a>
<input type="button" name="tar" value="Get Target" onClick='showtarget()'>
<br>
</form>
</body>
</html>