Hi. very nice explanation but what i don't fully understand is why the grouping
operator makes the parenthesis following the function declaration work as call.
(function(x){alert(x)}(1));
why this is not treated the same way as:
function(x){}(1);
On Dec 31, 2010, at 7:46 AM, Dmitry A. Soshnikov wrote:
> Just for those who don't use Twitter. I've just edited my "ES3.Ch5.Functions"
> article in respect of explanation the "surrounding parentheses". The thing
> is, that almost _all_ explanations (in books, articles, etc) were at least
> very incomplete (and even wrong).
>
> So, why does this code produces a SyntaxError:
>
> function () {
> ...
> }()
>
> // or with name
>
> function foo() {
> ...
> }();
>
> Try to provide as much complete explanation as possible. Also try to answer
> without cheating ;) The correct and full explanation is here:
> http://dmitrysoshnikov.com/ecmascript/chapter-5-functions/#question-about-surrounding-parentheses
>
> Dmitry.
>
> P.S.: Happy New Year!
>
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