screenY Event Attribute
 Event Object
Definition and Usage
The screenY event attribute returns the vertical coordinate (according to the
users computer screen) of the mouse
pointer when an event was triggered.
Syntax
Example
Example
The following example alerts the coordinates of the mouse pointer when the mouse button was clicked:
<html>
<head>
<script type="text/javascript">
function show_coords(event)
{
x=event.screenX
y=event.screenY
alert("X coords: " + x + ", Y coords: " + y)
}
</script>
</head>
<body onmousedown="show_coords(event)">
<p>Click in the document. An alert box will alert
the x and y coordinates of the cursor.</p>
</body>
</html>
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Try it yourself »
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Event Object
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