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Window screenLeft and screenTop Properties

Window Object Reference Window Object

Definition and Usage

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

Syntax

window.screenLeft
window.screenTop


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The screenLeft and screenTop properties are supported in all major browsers, except Firefox.

Note: For Firefox, use "window.screenX" and "window.screenY".


Example

Example

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

<html>
<head>
<script type="text/javascript">
function openWin()
{
myWindow=window.open('','');
myWindow.document.write("<p>This is 'myWindow'");
myWindow.document.write("<br />ScreenLeft: " + myWindow.screenLeft);
myWindow.document.write("<br />ScreenTop: " + myWindow.screenTop + "</p>");
}
</script>
</head>
<body>

<input type="button" value="Open 'myWindow'" onclick="openWin()" />

</body>
</html>

Try it yourself »


Window Object Reference Window Object
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