Michael,
comments inside
>> Here's a pattern that occurs frequently that I'm really
>> curious about:
>>
>> new function() {
>> // do stuff
>> }
>>
>> Is the purpose of this just to provide local scope to the
>> variables used?
>>
>
> Yes, that is the one and only reason for it.
>
>
>> Is there an equivalant syntax that may be
>> more common?
>>
>
> Yes, as others mentioned, ( function() { /*stuff*/ } )(); will do the trick
> too, and is slightly more efficient.
>
is there somethign special about ( ... )(); ? I mean, how does this
come from another example?
>
>> I intuitively wouldn't even think the code inside the
>> function would get executed unless the whole thing
>> was proceeded by "()", but obviously I'd be wrong.
>>
>
> See if this helps:
>
> function Stuff() {
> // do stuff
> }
>
> var stuff1 = new Stuff(); // call the Stuff constructor
> var stuff2 = new Stuff; // parens are optional
>
>
>> What's really surprising is that I couldn't find any
>> information about this technique in a google search.
>>
>
> It's hard to search for. But it falls out from normal JavaScript syntax and
> semantics.
>
> -Mike
>
>
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>
>
>
>
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