Javascript Browser Window open() Method open a window and get reference to the window

Introduction

Using the opener property to return a reference to the window that created the new window:

Click the button to write some text in the new window and the source (parent) window.

View in separate window

<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction()">Test</button>
<script>
function myFunction() {//from   w  ww . j  a  v a 2  s  .  co m
  var myWindow = window.open("", "myWindow", "width=200,height=100");
  myWindow.document.write("<p>This is 'myWindow'</p>");
  myWindow.opener.document.write("<p>This is the source window!</p>");
}
</script>

</body>
</html>

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