The value probably needs to be parsed first : )
var sum = $$('input[name="amt[]"]').inject(0, function(memo, input) {
memo += parseFloat($F(input));
return memo;
});
- kangax
On Apr 18, 11:43 am, Ken Snyder <[EMAIL PROTECTED]> wrote:
> Brian Williams wrote:
> > i don't believe there is a need to use a class if they share a name
> > i.e. amt[]
>
> > should be able to use something along the lines of...
>
> > $F('amt').each().invoke(function {......})
> > ...
>
> Right on track. You'll need $$() and inject()--see
> below.http://prototypejs.org/api/utility/dollar-dollarhttp://prototypejs.org/api/enumerable/inject
>
> - Ken Snyder
>
> var sum = $$('input[name="amt[]"]').inject(0, function(memo, input) {
> memo += input.value;
> return memo;
>
> });
>
> or if you define a sum() method for arrays, you can use pluck():
>
> Array.prototype.sum = function(){
> for (var i = 0, sum = 0; i < this.length; sum += this[i++]);
> return sum;
>
> }
>
> var sum = $$('input[name="amt[]"]').pluck('value').sum();
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