JavaScript Reference/Javascript Properties/top window

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"top" Example

    
<html>
<head>
<script language="JavaScript">
function function1() {
    var m = window.top.document.getElementById("myP").tagName; alert("Tag name: <"+m+">");
} 
</script>
</head>
<body> 
<div id="myP" 
      onClick="function1();" 
      style="background-color:black; color:white">
Click in this text to check its tag name.
</div>
</body>
</html>



"top" is applied to

+----------------+--------------------------------------------------------------+
| Applied_To     |window                                                        |
+----------------+--------------------------------------------------------------+



"top" Syntax and Note

Note:
Read-only property. 
returns a reference to the parent window of all the frames.
    
Syntax:
    
window.top