Javascript Browser Window screenLeft and screenTop Property

Introduction

Return the x and y coordinates of the new window relative to the screen:

View in separate window 

<!DOCTYPE html>
<html>
<head>
<script>
function myFunction() {//  w ww  .  j  av a 2 s. c o m
  var myWindow = window.open("", "myWin");
  myWindow.document.write("<p>This is 'myWin'");
  myWindow.document.write("<br>ScreenLeft: " + myWindow.screenLeft);
  myWindow.document.write("<br>ScreenTop: " + myWindow.screenTop + "</p>");
}
</script>
</head>
<body>

<button onclick="myFunction()">Open "myWin"</button>

</body>
</html>

The screenLeft and screenTop properties returns the x (horizontal) and y (vertical) coordinates of the window relative to the screen.

The screenLeft and screenTop properties returns a Number representing the horizontal and vertical distance of the window relative to the screen, in pixels.




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