How to update Json Data on same key in AngularJS?

Question

  var mainObject = {
        a: "a",
        b: "b",
        c: "c",
        d: "d"
    }

var testObject = {
    a: "",
    b: ""
}

I want result like:

var testObject = {
    a: "a",
    b: "b"
}

Assuming you know the keys of both objects, you could do testObject.a = mainObject.a and testObject.b = mainObject.b, but your question is really unclear so i'm not sure of what you want to achieve — Xatyrian
– Xatyrian, Commented Jun 14, 2017 at 12:50
Nah everytime i don't know the keys of both object. problem solved at the end thanks for reply — er.vic
– er.vic, Commented Jun 14, 2017 at 19:06

Sachila Ranawaka · Accepted Answer · 2017-06-14 12:50:00Z

2

you can achieve this using for loop and hasOwnProperty function

var mainObject = {
        a: "a",
        b: "b",
        c: "c",
        d: "d"
    }

var testObject = {
    a: "",
    b: ""
}

for(keyOne in testObject){ 
  if(mainObject.hasOwnProperty(keyOne)){
     testObject[keyOne]= mainObject[keyOne]
  } 
}
console.log(testObject)

answered Jun 14, 2017 at 12:50

Sachila Ranawaka

41.6k8 gold badges62 silver badges87 bronze badges

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

1 Comment

er.vic Over a year ago

Thanks man, that's what i 'm looking for i got undefined somehow.

Nofi · Accepted Answer · 2017-06-14 12:53:40Z

2

Is this what you are looking for...

var mainObject = {
        a: "a",
        b: "b",
        c: "c",
        d: "d"
    }
var testObject = {
    a: "",
    b: ""
}

for(var ob in mainObject){
if(Object.keys(testObject).indexOf(ob)!=-1)
    testObject[ob] = mainObject[ob]
}
console.log(testObject)

answered Jun 14, 2017 at 12:53

Nofi

2,1952 gold badges17 silver badges23 bronze badges

1 Comment

er.vic Over a year ago

Yep, thanx dude.

Collectives™ on Stack Overflow

How to update Json Data on same key in AngularJS?

2 Answers 2

1 Comment

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

1 Comment

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related