Accessing Objects in JSON Array (JavaScript) [duplicate]

Question

Possible Duplicate:
I have a nested data structure / JSON, how can I access a specific value?

I have a service that returns nested Objects in a JSON Array. How can I loop through the objects and print the desired data?

This is my result:

[
{
    "item1": {
        "sourceUuid": "5599ffac-4b99-47c7-9370-a25e7e465429",
        "targetUuid": "5599ffac-4b99-47c7-9370-a25e7effffff"
    }
},
{
    "item2": {
        "sourceUuid": "bf63fe50-8b2b-488d-b565-009fcaebdb45",
        "targetUuid": "-1"
    }
},
{
    "item3": {
        "sourceUuid": "0005fd96-f654-4781-8602-09fedc0cdd35",
        "targetUuid": "0005fd96-f654-4781-8602-09fedc0cdd35"
    }
}
]

This is what I want to print for each item (item1, item2, item3, ...):

Item Name: item1
Source: 5599ffac-4b99-47c7-9370-a25e7e465429
Target: 5599ffac-4b99-47c7-9370-a25e7effffff

So far I tried:

for (var i = 0, length = data.length; i < length; i++) {
for (obj in data[i]) {
    console.log(obj);

}
}

This only returns "item1", "item2" etc. But I don't know how access sourceUuid etc. from there

Bergi · Accepted Answer · 2013-01-08 15:03:29Z

34

You can loop the array with a for loop and the object properties with for-in loops.

for (var i=0; i<result.length; i++)
    for (var name in result[i]) {
        console.log("Item name: "+name);
        console.log("Source: "+result[i][name].sourceUuid);
        console.log("Target: "+result[i][name].targetUuid);
    }

answered Jan 8, 2013 at 15:03

Bergi

671k162 gold badges1k silver badges1.5k bronze badges

Sign up to request clarification or add additional context in comments.

Comments

Naftali · Accepted Answer · 2014-10-20 14:24:38Z

5

Use a loop

for(var i = 0; i < obj.length; ++i){
   //do something with obj[i]
   for(var ind in obj[i]) {
        console.log(ind);
        for(var vals in obj[i][ind]){
            console.log(vals, obj[i][ind][vals]);
        }
   }
}

Demo: http://jsfiddle.net/maniator/pngmL/

edited Oct 20, 2014 at 14:24

answered Jan 8, 2013 at 15:01

Naftali

147k41 gold badges247 silver badges304 bronze badges

1 Comment

mcbjam Over a year ago

i would like to use it in jade after. Or angularjs.

Collectives™ on Stack Overflow

Accessing Objects in JSON Array (JavaScript) [duplicate]

2 Answers 2

Comments

1 Comment

Linked

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

Comments

1 Comment

Linked

Related