javascript pushing an object to an array object but other object affected

Question

My problem is when I add a new object to an array object, the last object fields overwrite the other objects fields. At the end, all objects become the same. Here is the example

array=[{id:1 names:[john,james,alice]},
       {id:2 names:[lisa,carlos,josh]}]

var obj={id:3 names:[david]}

array.push(obj)

console.log(array)

 //=>      [{id:1 names:[david]},
            {id:2 names:[david]},
            {id:3 names:[david]}]

I am having the same problem when try to delete one of them. What are your suggestions?

You need to show valid non-working JavaScript, which that is not. — Alex K.
– Alex K., Commented May 26, 2017 at 9:44

caramba · Accepted Answer · 2017-05-26 10:15:36Z

3

You are missing some apostrophes and comas.

array = [
  { id: 1, names: ['john', 'james', 'alice']},
  { id: 2, names: ['lisa', 'carlos', 'josh']}
];

var obj={ id:3, names: ['david']}

array.push(obj)

console.log(array)

edited May 26, 2017 at 10:15

answered May 26, 2017 at 9:49

caramba

22.5k20 gold badges94 silver badges134 bronze badges

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

Comments

Tareq · Accepted Answer · 2017-05-26 09:46:52Z

0

You Js is invalid. Try something like below:

var array =[
  {id:1, names:['john', 'james', 'alice']},
   {id:2, names:['lisa', 'carlos', 'josh']}]

var obj= {id:3, names:['david']}

array.push(obj)

console.log('array => ', array)

answered May 26, 2017 at 9:46

Tareq

5,3732 gold badges18 silver badges18 bronze badges

Comments

Gabri T · Accepted Answer · 2017-05-26 09:50:26Z

0

    array=[{id:1, names:["john","james","alice"]},
           {id:2, names:["lisa","carlos","josh"]}];
    
    var obj={id:3, names:["david"]};
    
    array.push(obj);
    
    alert(array[0].names);
    
    alert(array[1].names);
    
    alert(array[2].names);

seems like your code was kinda messy. Here is a correct version

answered May 26, 2017 at 9:50

Gabri T

4542 silver badges14 bronze badges

Comments

Priyangna · Accepted Answer · 2017-05-26 10:21:50Z

0

You have to put string in quotes, otherwise it will be remain undefined.Comma (,) is missing after id in array. Try below code-

 var array=[{id:1, names:["john","james","alice"]}, {id:2, names:["lisa","carlos","josh"]}];

        var obj={id:3, names:["david"]};

        array.push(obj);

        for(z=0;z<array.length;z++){

           alert(array[z])  ;

        }

edited May 26, 2017 at 10:21

answered May 26, 2017 at 10:14

Priyangna

615 bronze badges

Comments

Rohìt Jíndal · Accepted Answer · 2017-05-26 10:58:38Z

0

Your JSON is not a valid JSON otherwise your code is working fine.

Working Demo :

var array=[{id:1, names:["john","james","alice"]},
       {id:2, names:["lisa","carlos","josh"]}]

var obj={id:3, names:["david"]}

array.push(obj);

console.log(array);

answered May 26, 2017 at 10:58

Rohìt Jíndal

27.3k16 gold badges80 silver badges133 bronze badges

Collectives™ on Stack Overflow

javascript pushing an object to an array object but other object affected

5 Answers 5

Comments

Comments

Comments

Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

5 Answers 5

Comments

Comments

Comments

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related