Best way to convert an array of single property object literals to an array of just their values

Question

I'd like to convert this:

[{"id":"1"},{"id":"2"},{"id":"3"}]

into this:

['1','2','3']

[Array.prototype.map()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map) — Satpal, Sep 04 '15 at 03:52

score 3 · Accepted Answer · answered Sep 04 '15 at 03:52

3

var objArray = [{"id":"1"},{"id":"2"},{"id":"3"}];

var newArray = objArray.map(function(obj) {
    return obj.id;
});

answered Sep 04 '15 at 03:52

Drazen Bjelovuk

I log the newArray but undefined ? – jemz Sep 04 '15 at 03:55
@jemz http://jsfiddle.net/arunpjohny/7xj3hkLe/1/ – Arun P Johny Sep 04 '15 at 03:56
@ArunPJohny it works if I use that example ,but when I request the id via jquery.ajax it will undefined after converting to array – jemz Sep 04 '15 at 04:00
@jemz you need to share the complete code for us to know the problem.. the problem stated by you in the question is resolved... – Arun P Johny Sep 04 '15 at 04:04
@ArunPJohny , it works now sorry my bad. – jemz Sep 04 '15 at 04:05
the reason that I have wrong typo in obj.id – jemz Sep 04 '15 at 04:06

1 Answers1