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    <blockquote> <p>using <code>setTimeout(func(),0)</code> in order to execute synchronously</p> </blockquote> <p>No. Either use <code>func()</code> for a synchronous execution, or <code>setTimeout(func, 0)</code> to queue the execution (which makes it asynchronous).</p> <blockquote> <p>Is <code>setTimeout(func[…],0)</code> the "most elegant" way to put this action onto the execution queue for rendered webpage objects? In other words, is there a "more elegant" way to block execution (i.e. do these things sequentially)?</p> </blockquote> <p>Yes, this is the standard method. However, this does <em>not</em> block execution, and has nothing to do with sequencing. If the execution is synchronous, just execute it, if not you will have to deal with the callbacks and queuing a new task does <em>not</em> help.</p> <blockquote> <p>Is anyone aware of how much this callback business looks like goto() in other languages? Meaning, this nesting of callbacks feels very awkward and inelegant to me. Is there a Javascript language construct either being developed or already developed that will reduce this crazy business?</p> </blockquote> <p>No, I'm not aware of other languages, but afaik <code>goto</code> is a synchronous, control-flow-structuring statement as does not deal with asynchronous actions.</p> <p>But no, there are no JavaScript language constructs ("syntactic sugar") that help us around the <a href="http://en.wikipedia.org/wiki/Continuation-passing_style" rel="nofollow noreferrer">continuation-passing style</a> with its callback hell.</p> <blockquote> <p>Is there a function/object I could use to apply these actions sequentially, to cut down on the callback hell going on here? In other words, what would an object look like if the object/function were able to synchronously execute each action as it was individually iterated through it (i.e. passed to it)?</p> <p>My goal here is a tight, elegant, attractive, homegrown Javascript object/function -- that I can call in a for() loop or equivalent -- to apply these operations on each action in sequence.</p> </blockquote> <p>Again you want "sequencially" instead of "synchronous" :-) Yes, there are [handcoded/homegrown] solutions which make dealing with callbacks easier. As <a href="https://stackoverflow.com/a/4289363/1048572">those callback organisation libraries</a> you mentioned do not satisfy you, I'd recommend to look into the very elegant and attractive <a href="http://wiki.commonjs.org/wiki/Promises" rel="nofollow noreferrer"><code>Promise</code> Api</a> and its Deferred objects (see <a href="http://en.wikipedia.org/wiki/Futures_and_promises" rel="nofollow noreferrer">futures and promises</a> for the concept).</p>
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    1. POJavascript callback hell with setTimeout();
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    1. COThank you for your answer. It is very helpful, though I cannot yet upvote. :P
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    2. COI will accept this answer as it provides the most thorough answer I have heard so far about callback nesting. Mahalo and aloha.
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    3. COWow. Apologies for not accepting this over a year ago. Sorry! :)
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