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domref



screenY


Returns the vertical coordinate of the event within the screen as a whole..

Syntax

yCoord = event.screenY
 

Parameters

yCoord is the offset from the top of the screen in pixels.

Example

function checkClickMap(e) {
 
  if e.screenY < 50
 
    doRedButton();
 
  if 50 <= e.screenY < 100
 
    doYellowButton();
 
  if e.screenY >= 100
 
    doRedButton();
 
}
 

Notes

When you trap events on the window, document, or other roomy elements, you can get the coordinates of that event (e.g., a click) and route it properly, as the "clickMap" example demonstrates.

Specification

screenY
 


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http://developer.netscape.com
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