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Triggering setTimeout

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Jul 21.2008

Hi,
I have a little problem with setTimeout.
Consider the following code:

var alertTimerId = 0;
alertTimerId = setTimeout ( “showAlert(someParameter);”, 3000 );

Now let’s say that I need to trigger the function I timed-out before the designated time.
I can’t just use:

clearTimeout(alertTimerId);
showAlert(someParameter);

Because at this point I don’t know what’s the value of someParameter.
(Yes, I can store it in a global var… blah blah blah… I’m looking for a smart solution…)

Is there something like runTimeout(alertTimerId)?

Thanks,
Z

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JavaScript

3 Comments(s) ↴

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@KorJul 21.2008 — try:
<i>
</i>if(alertTimerId){
clearTimeout(alertTimerId)
}

But it is not clear for me why you don't yet know the value of the parameter. can you provide a real simplified example?
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@z0333authorJul 21.2008 — I have a scenario in witch I set a timeout in one of the following manors:

setTimeout ( "showAlert(x);", 3000 );

or

setTimeout ( "showAlert(y);", 3000 );

or

setTimeout ( "showAlert(z);", 3000 );

Now let's say that if a user clicks a button before the timeout elapses, I need to execute the timed-out command *NOW* (with the appropriate parameter) and cancel the timeout.

Since the "full" command (the function call with the right parameter) is "stored" somewhere waiting for execution, I though it would be nice just to call it, instead of storing the parameter, clearing the time out, and calling the function with the stored parameter&#8230;

Is there a way to execute the function "stored" in the timeout before it's time?
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@Declan1991Jul 21.2008 — No.

Also, you should pass a function to setTimeout instead of a string. It's much more flexible because it doesn't run in global scope.
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