Screen.updateInterval (Property)

The screen refresh rate.

Availability:

JScript - 3.0
Internet Explorer - 4.0
Property/method value type:Number primitive
JavaScript syntax:IEmyScreen.updateInterval

This may be important for creating animated effects. You can avoid strobing and flickering artefacts if you are aware of the refresh rate of the screen and don't try to update the display too often for the available refresh rate.