Loop into an array of objects and access to properties

Question

I checked other questions to solve this but I can not figure it out how to solve it in my case: I want to loop through all the items of an array of objects and access to an specific property.

 for (var i = 0; i < myArray.length; i++){
     var x = myArray[i].property;
     console.log(x);
 }

My data array structure:

var myArray = [ 
    firstObject: {
        title:"first",
        content:"lorem ipsum"
    },
    secondObject: {
        title:"second",
        content:"lorem ipsum"
    },
    thirdObject: {
        title:"third",
        content:"lorem ipsum"
    }
]

Inspecting the console output to be a list of each instance of the object in myArray, but it only retrieves the first object from it. So, how can I access properly to these values? Thanks

Check your variable names...You are using `i` but increasing `j`. — Charmander, Feb 29 '16 at 17:24
oh well, that's sample code not my actual code... so thanks, i'm going to change it but that's not the problem! — ohmmho, Feb 29 '16 at 17:25
Show your source array and from that ask us what you want to do — Rajaprabhu Aravindasamy, Feb 29 '16 at 17:26
@ohmmho yes it is the problem, you are constantly accessing `myArray[0]` because `i` is always 0 — Rhumborl, Feb 29 '16 at 17:26
@Charmander the problem is that with this code I'm getting only the first item from the array. — ohmmho, Feb 29 '16 at 17:27
@ohmmho it's already answered. you need a recursive function. http://stackoverflow.com/q/15690706/2777098 — display name, Feb 29 '16 at 17:27
sorry if the question is uncompleted and the code is poor, i'm newbie but any advices are really welcome! :) — ohmmho, Feb 29 '16 at 17:50
@AliKhanusiya I would like to get ["first", "second", "third"] but with this code right now I'm only getting ["first"]. Thanks — ohmmho, Feb 29 '16 at 17:58

score 0 · Accepted Answer · answered Feb 29 '16 at 18:29

0

var myArray =
[
    {
        title: "first",
        content: "lorem ipsum"
    },
    {
        title: "second",
        content: "lorem ipsum"
    },
    {
        title: "third",
        content: "lorem ipsum"
    }
];
var arrExpectedData = [];
myArray.forEach(function (objSingle) {
    arrExpectedData.push(objSingle.title);
});
console.log(arrExpectedData);

answered Feb 29 '16 at 18:29

AsgarAli

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hey, yes! this works :D thank you very much! I mark it as correct. however, can you explain me the difference between the for and the forEach in this particular case? how it would be if we had on level more? I mean, imagine that the title structure instead an string is another object, like this: `title:{ date: "2016", category:"production" }` Thanks! – ohmmho Feb 29 '16 at 18:46

Loop into an array of objects and access to properties

1 Answers1