DHTML Methods

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Evaluates an expression each time a specified number of milliseconds has elapsed.

iTimerID = window.setInterval ( vCode, iMilliSeconds
    [ ,  sLanguage ] ) 

vCode	Required. Function pointer specifying the code to be executed at the specified interval.
iMilliSeconds	Required. Integer specifying the number of milliseconds.
sLanguage	Optional. String specifying any one of the possible values for the language attribute.

Integer. Returns an identifier that is used to cancel the interval with the clearInterval method.

The following example shows use of setInterval to simulate a clock. Each time the interval elapses, the clock changes its readout.

setInterval ( tick, 1000 );
...
function tick ( ) {
   var s = Date ( );
   var t = s.substring ( 11, 19 );
   ...
   theTime.innerText = t;
}

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