August 2006
Intermediate to advanced
1018 pages
34h 13m
English
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Name
Window.setInterval( ): periodically execute specified code — JavaScript 1.2:
Synopsis
window.setInterval(code,interval)
Arguments
-
code A function to be periodically invoked or a string of JavaScript code to be periodically evaluated. If this string contains multiple statements, they must be separated from each other by semicolons. In IE 4 (but not later versions), this argument must be a string.
-
interval The interval, in milliseconds, between invocations or evaluations of
code.
Returns
A value that can be passed to Window.clearInterval( ) to cancel the
periodic execution of code.
Description
setInterval( ) repeatedly
invokes or evaluates the function or string specified by
code, at intervals of
interval milliseconds.
setInterval( ) returns a
value that can later be passed to Window.clearInterval( ) to cancel the
execution of code.
setInterval( ) is related
to setTimeout( ). Use setTimeout( ) when you want to defer the
execution of code but do not want it to be repeatedly executed. See
Window.setTimeout( ) for a
discussion of the execution context of
code.
See Also
Window.clearInterval(
), Window.setTimeout(
)
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