Can't do push in forEach

[Andrea Giammarchi]

`$1 => a.push($1)`

fat arrow function shines mostly in these cases, not sure there's a need
for anything else.

`($1, $2, $3) => a.push($2, $3)`

Regards

On Thu, May 14, 2015 at 5:26 PM, Emanuel Allen <emanuelallen at hotmail.com>
wrote:

> That would be great to have an only method on Function.prototype.only
>
> It can take one to three parameters as arguments:
> -Only with using the first argument:
>
> SomeFunction.only(1);
> only allow the first argument in. It target the place holder so:
> fn.only(2) allow the two most left argument in.
>
> -Only with using the first 2 argument:
>
> SomeFunction.only(1,2);
> only allow the second argument in; the second argument target where to
> start and the first not how many to let in. So fn.only(2,3); let the third
> and fourth argument in.
>
> -Only with using all arguments placeholder:
>
> SomeFunction.only(1,2,true);
> This will denote that we start from the right and and let the second from
> last argument in
>
> The last parameter is informing if we should start left or right when
> choosing the parameters to let in. The default is false; start left to right
>
>
> Internally this could use the function's arguments object to query what to
> let in.
>
> JS4L
>
> On May 14, 2015, at 11:37 AM, Allen Wirfs-Brock <allen at wirfs-brock.com>
> wrote:
>
>
> On May 14, 2015, at 8:19 AM, Emanuel Allen wrote:
>
> Oh yes that is correct since push will push in elements separated by
> commas... Still my original problem is that I can't simply do
> arr.push(arr2.push); but it doesn't matter since it'll also push the three
> parameters into the array as well.
>
>
> exactly, see http://www.wirfs-brock.com/allen/posts/166
>
>
>
> Sent from my iPhone
>
> On May 14, 2015, at 10:49 AM, Erik Arvidsson <erik.arvidsson at gmail.com>
> wrote:
>
> Still, the callback for forEach is called with 3 arguments; value, index
> and the array.
>
> This is clearly documented in the spec and mdn and other resources.
>
> On Thu, May 14, 2015, 10:42 Garrett Smith <dhtmlkitchen at gmail.com> wrote:
>
>> On 5/14/15, Emanuel Allen <emanuelallen at hotmail.com> wrote:
>> > Surprise that I can't do arr1.forEeach(arr2.push);
>> >
>>
>> Check that line more carefully.
>>
>>
>> > Will throw an error.
>> >
>> > Using bind as:
>> >
>> > push = arr2.bind(push);
>>
>> Arrays don't have a bind method.
>> --
>> Garrett
>> @xkit
>> ChordCycles.com
>> garretts.github.io
>> personx.tumblr.com
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