opener property of window object in javascript

This property is used to return the reference to the main window , which is used to create the window.

<html>

<head>

function openmywindow()

{

mywin=window.open('','','width=100,height=100');

mywin.document.write("<p>My name is Mahak</p>");

mywin.focus();

mywin.opener.document.write("<p>This is the Main Window</p>");

}

</script>

</head>

<body>

</body>

</html>

Output:

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