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Re: is there a function enumerating all element in an object?

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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

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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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