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Getting the screen coordinates

During mouse events, you can retrieve the location of the mouse cursor in relation to the computer

screen by using the

screenX

and

screenY

properties:

var iScreenX = oEvent.screenX;

var iScreenY = oEvent.screenY;

Each of these properties returns an integer representing the number of pixels from the edge of the user’s

screen (see Figure 9-8).

Figure 9-8

Differences

Of course, not everything in Internet Explorer and the DOM is similar. This section describes the differ-

ence that you should be aware of when scripting for cross-browser support.

(screenX,screenY)

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Chapter 9

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