JSON Array to Javascript Array [closed]

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JSON Array:

[ { sw: 'NODE.JS' }, { sw: 'Heroku Toolbelt' } ]

need to convert it to:

['NODE.JS','Heroku Toolbelt'].

Any quickest help will be highly apprecaited.

JSON is a string. "JSON Array" is not a thing. What you have is an array of objects, that you want to convert to an array based on a property of those objects. — Niet the Dark Absol
– Niet the Dark Absol, Commented Apr 15, 2014 at 15:35
What's the problem? You don't know how to use a for loop? or you don't know how to add items to a new Array? — cookie monster
– cookie monster, Commented Apr 15, 2014 at 15:40
possible duplicate of javascript array of objects, extract value of a property as array — Felix Kling
– Felix Kling, Commented Apr 15, 2014 at 15:44

VisioN · Accepted Answer · 2014-04-15 15:34:35Z

1

I'd use Array.prototype.map:

var new_array = arr.map(function(e) {
    return e.sw;
});

Don't forget to get the actual JavaScript array from the JSON string with JSON.parse (as an example).

answered Apr 15, 2014 at 15:34

VisioN

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