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screenX

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

Syntax

xCoord = event.screenX
 

Parameters

xCoord is the offset from the left side of the screen in pixels.

Example

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

screenX