On 17.9.2010, at 15.03, Richard Quadling wrote:
> Hi.
>
> How do I do something like this (just an example) ...
>
> [1,2,3].each(function(val){return val * val;});
>
> such that the result is ...
>
> [1,4,9]
[1,2,3].map(function(i){ return i * i }); //
http://api.prototypejs.org/language/enumerable/prototype/collect/
Note that invoke is a shorthand for map except that it calls a method for each
of the items:
['hello', 'world'].invoke('toUpperCase'); //
http://api.prototypejs.org/language/enumerable/prototype/invoke/
// -> ['HELLO', 'WORLD']
Cheers,
//jarkko
--
Jarkko Laine
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