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| From | Joao Rodrigues <groups_jr-1@yahoo.com.br> |
| Newsgroups | comp.lang.javascript |
| Subject | Re: is there a function enumerating all element in an object? |
| Date | Thu, 29 Oct 2015 16:20:00 -0200 |
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On 29-10-2015 15:59, Joao Rodrigues wrote:
> nathank887@gmail.com wrote:
>> Stone Zhong wrote:
>>> Is there a member function in ES5 or ES6 doing something like below? I saw a repeated pattern of such code, especially if you use reactjs
>>>
>>> var forEachItemInObject = function(obj, callback) {
>>> var ret = [ ];
>>> for (var key in obj) {
>>> ret.push(callback(key, obj[key]));
>>> }
>>> return ret;
>>> };
>
> In ES2015 (ES6), the OP's code might be:
>
> Object.keys(obj).map(key => callback(key, obj[key]));
>
>
Or:
Array.from(Object.keys(obj), key => callback(key, obj[key]));
--
Joao Rodrigues
Back to comp.lang.javascript | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
is there a function enumerating all element in an object? Stone Zhong <stone.zhong@gmail.com> - 2015-08-21 22:44 -0700
Re: is there a function enumerating all element in an object? nathank887@gmail.com - 2015-10-28 22:11 -0700
Re: is there a function enumerating all element in an object? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-10-29 15:59 -0200
Re: is there a function enumerating all element in an object? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-10-29 16:20 -0200
Re: is there a function enumerating all element in an object? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-10-29 20:58 +0100
Re: is there a function enumerating all element in an object? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-29 20:49 +0000
Re: is there a function enumerating all element in an object? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-10-29 22:49 +0100
Re: is there a function enumerating all element in an object? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-10-30 16:05 -0200
Re: is there a function enumerating all element in an object? RobG <rgqld@iinet.net.au> - 2015-11-14 13:16 -0800
Re: is there a function enumerating all element in an object? Chuck Anderson <seemysig@thisis.invalid> - 2015-11-14 17:58 -0700
Re: is there a function enumerating all element in an object? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-11-16 14:26 -0200
Re: is there a function enumerating all element in an object? donmaximo01@gmail.com - 2015-10-29 06:08 -0700
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