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From: "Mel Smith" <med_cutout_syntel@aol.com>
Newsgroups: comp.lang.javascript
Subject: Re: Suspending the flow of JS/ES execution
Date: Fri, 13 Sep 2013 09:09:39 -0600
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JJ said:

> ..... What you need to do is
> to move the codes after the "Alert(...)" execution into a callback 
> function.
> That callback should be called after AlertFin is executed. The flow should
> be like this:
>
> Alert > (idle) > AlertFin > callback
>
>
> So first, convert the code after calling the "Alert(...)", into a callback
> function:
>
> function alertCallback() {
>  someobj.focus();
> }
>
> function somefunc() {
>  Alert(cmsg, alertCallback);
>  return;
> }
>
> Then change the Alert definition to this:
>
> function Alert(cmsg, callback)
>
> Then in the Alert function, change the INPUT HTML code to:
>
> <input type="button" id="ialertokbutt" value="OK" />
>
> Still in the Alert function, append this lines:
>
> getobj("ialertokbutt").onclick = function() {
>  AlertFin();
>  if (callback) {
>    //note: type checking of "callback" parameter is absent
>    callback();
>  }
> }

Hi JJ:

    It works perfectly.

Thank you very much for the info on Callbacks !

-Mel Smith