get list of object from array of objects using javascript

Question

It is a simple javascript problem and i am unable to get my head through it

const jsObjects = [
      {a: 1, b: 2}, 
      {a: 3, b: 4}, 
      {a: 5, b: 6}, 
      {a: 7, b: 8}
    ]


let result = jsObjects.find(obj => {
  return obj.b === 6
})

console.log(result)

i just want to console the entire list of 'b' rather than find a single variable 'b' which holds value 6

is there any way to do that

jsObjects.filter(obj => obj.b === 6);

Amir Popovich
– Amir Popovich

2019-11-04 11:31:52 +00:00
Commented Nov 4, 2019 at 11:31 — Amir Popovich
– Amir Popovich, Commented Nov 4, 2019 at 11:31
let out = jsObjects.map(e => e.b)

arizafar
– arizafar

2019-11-04 11:34:57 +00:00
Commented Nov 4, 2019 at 11:34 — arizafar
– arizafar, Commented Nov 4, 2019 at 11:34

Harun Yilmaz · Accepted Answer · 2019-11-04 11:38:41Z

2

You can use Array.filter() instead of Array.find()

const jsObjects = [
      {a: 1, b: 2}, 
      {a: 3, b: 4}, 
      {a: 5, b: 6}, 
      {a: 7, b: 8}
    ]
    
    
let result = jsObjects.filter(obj => obj.b === 6)

console.log(result)

UPDATE

If you want to take only one property, then you can use Array.map()

const jsObjects = [
      {a: 1, b: 2}, 
      {a: 3, b: 4}, 
      {a: 5, b: 6}, 
      {a: 7, b: 8}
    ]
    
    
let result = jsObjects.map(obj => obj.b)

console.log(result);

edited Nov 4, 2019 at 11:38

answered Nov 4, 2019 at 11:31

Harun Yilmaz

8,5793 gold badges30 silver badges40 bronze badges

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

2 Comments

juhi Over a year ago

i need the output like this: {b: 2, b:4, b:6, b:8} how can i get this?

Harun Yilmaz Over a year ago

Your desired output is not a valid object structure as it holds different values for same key. If you need to get them as array, please see updated answer

zimmerbimmer · Accepted Answer · 2019-11-04 12:02:14Z

0

If you still want them as objects in an array, you can update Harun's code like this:

let myBs = [];
let result = jsObjects.map(obj => myBs.push({b: obj.b}));

console.log(myBs);```

answered Nov 4, 2019 at 12:02

zimmerbimmer

95810 silver badges27 bronze badges

Collectives™ on Stack Overflow

get list of object from array of objects using javascript

2 Answers 2

2 Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

2 Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related