I guess just consistency with other Array#forEach/map/every,etc,etc methods
plus you don't need to create N bound functions or N arrow functions per
each Array#find call ... or not?
On Thu, Jun 6, 2013 at 1:20 PM, Jussi Kalliokoski <
jussi.kallioko...@gmail.com> wrote:
> What would be the use case for this that isn't covered with
> Function#bind() or arrow functions?
>
> Cheers,
> Jussi
>
>
> On Wed, May 29, 2013 at 5:50 AM, Axel Rauschmayer <a...@rauschma.de>wrote:
>
>> It might make sense to add a third argument to that method, so that it
>> works roughly like this:
>>
>> Array.prototype.find = function (predicate, returnValue = undefined,
>> thisArg = undefined) {
>> var arr = Object(this);
>> if (typeof predicate !== 'function') {
>> throw new TypeError();
>> }
>> for(var i=0; i < arr.length; i++) {
>> if (i in arr) { // skip holes
>> var elem = arr[i];
>> if (predicate.call(thisValue, elem, i, arr)) {
>> return elem;
>> }
>> }
>> }
>> return returnValue;
>> }
>>
>> --
>> Dr. Axel Rauschmayer
>> a...@rauschma.de
>>
>> home: rauschma.de
>> twitter: twitter.com/rauschma
>> blog: 2ality.com
>>
>>
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>>
>>
>
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