remove duplicates from array of objects javascript

Add Answer

Light Lobster answered on January 2, 2020 Popularity 10/10 Helpfulness 7/10

answer remove duplicates from array of objects javascript

related remove duplicate objects from array javascript

related remove duplicates objects from an array of objects using javascript

related remove duplicate object from array javascript

related remove duplicates from array of objects

related how to remove duplicate values in array of objects using javascript

related remove duplicates objects from array javascript

related combine 2 "arrays with objects" and remove object duplicates javascript

related javascript remove duplicate objects from array es6

related How to remove all duplicates from an array of objects

remove duplicates from array of objects javascript

Comment

let arr = [{name: "john"}, {name: "jane"}, {name: "imelda"}, {name: "john"}];

const uniqueArray = arr.filter((v,i,a)=>a.findIndex(t=>(t.name===v.name))===i)
console.log(uniqueArray);

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: Grepper

Tags: javascript

Link to this answer
Share Copy Link

Contributed on Jun 21 2021

Light Lobster

0 Answers Avg Quality 2/10

Closely Related Answers

remove duplicate objects from array javascript

Comments(1)

const addresses = [...]; // Some array I got from async call

const uniqueAddresses = Array.from(new Set(addresses.map(a => a.id)))
 .map(id => {
   return addresses.find(a => a.id === id)
 })

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jan 02 2020

Ornate Rock Dragon

0 Answers Avg Quality 2/10

remove duplicates objects from an array of objects using javascript

Comment

// remove duplicates objects from an array of objects using javascript
let arr = [
  {id: 1, name: 'Chetan'},
  {id: 1, name: 'Chetan'},
  {id: 2, name: 'Ujesh'},
  {id: 2, name: 'Ujesh'},
];
let jsonArray = arr.map(JSON.stringify);
console.log(jsonArray); 
/* 
[
  '{"id":1,"name":"Chetan"}',
  '{"id":1,"name":"Chetan"}',
  '{"id":2,"name":"Ujesh"}',
  '{"id":2,"name":"Ujesh"}'
]
*/

let uniqueArray = [...new Set(jsonArray)].map(JSON.parse);
console.log(uniqueArray);
/* 
[ { id: 1, name: 'Chetan' }, { id: 2, name: 'Ujesh' } ]
*/

Popularity 8/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Nov 09 2022

Chetan Nada

0 Answers Avg Quality 2/10

remove duplicate object from array javascript

Comment

const uniqify = (array, key) => array.reduce((prev, curr) => prev.find(a => a[key] === curr[key]) ? prev : prev.push(curr) && prev, []);

Popularity 9/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Aug 04 2021

Average Alligator

0 Answers Avg Quality 2/10

remove duplicates from array of objects

Comment

const arr = [
  { id: 1, name: "test1" },
  { id: 2, name: "test2" },
  { id: 2, name: "test3" },
  { id: 3, name: "test4" },
  { id: 4, name: "test5" },
  { id: 5, name: "test6" },
  { id: 5, name: "test7" },
  { id: 6, name: "test8" }
];

const filteredArr = arr.reduce((acc, current) => {
  const x = acc.find(item => item.id === current.id);
  if (!x) {
    return acc.concat([current]);
  } else {
    return acc;
  }
}, []);

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: dev.to

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Aug 08 2022

allan asirraj

0 Answers Avg Quality 2/10

how to remove duplicate values in array of objects using javascript

Comment

const array = [{id: 1, name: "hello"}, {id: 2, name: "hii"}, {id: 1, name: "hey"} ]; 
const cleanArray = array.reduce((unique, o) => {
        if(!unique.some(obj => obj.id === o.id)) {
          unique.push(o);
        } 
        return unique;
    },[]);

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Mar 14 2022

Himanshu Makwana

0 Answers Avg Quality 2/10

remove duplicates objects from array javascript

Comment

arr.reduce((acc, current) => {
  const x = acc.find(item => item.id === current.id);
  if (!x) {
    return acc.concat([current]);
  } else {
    return acc;
  }
}, []);

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Nov 09 2020

Awful Antelope

0 Answers Avg Quality 2/10

combine 2 "arrays with objects" and remove object duplicates javascript

Comment

// Join Without Dupes.
const joinWithoutDupes = (A, B) => {
  const a = new Set(A.map(x => x.item))
  const b = new Set(B.map(x => x.item))
  return [...A.filter(x => !b.has(x.item)), ...B.filter(x => !a.has(x.item))]
}

// Proof.
const output = joinWithoutDupes([{item:"apple",description: "lorem"},{item:"peach",description: "impsum"}], [{item:"apple", description: "dolor"},{item:"grape", description: "enum"}])
console.log(output)

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: combine

Link to this answer
Share Copy Link

Contributed on Jan 21 2021

Rich Raccoon

0 Answers Avg Quality 2/10

javascript remove duplicate objects from array es6

Comment

const
    listOfTags = [{ id: 1, label: "Hello", color: "red", sorting: 0 }, { id: 2, label: "World", color: "green", sorting: 1 }, { id: 3, label: "Hello", color: "blue", sorting: 4 }, { id: 4, label: "Sunshine", color: "yellow", sorting: 5 }, { id: 5, label: "Hello", color: "red", sorting: 6 }],
    keys = ['label', 'color'],
    filtered = listOfTags.filter(
        (s => o => 
            (k => !s.has(k) && s.add(k))
            (keys.map(k => o[k]).join('|'))
        )
        (new Set)
    );

console.log(filtered);

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jan 13 2022

Amrit Khadka

0 Answers Avg Quality 2/10

How to remove all duplicates from an array of objects

Comment

obj.arr = obj.arr.filter((value, index, self) =>
  index === self.findIndex((t) => (
    t.place === value.place && t.name === value.name
  ))
)

Popularity 9/10 Helpfulness 3/10 Language whatever

Source: stackoverflow.com

Tags: whatever whateve

Link to this answer
Share Copy Link

Contributed on Sep 20 2022

Happy Hamerkop

0 Answers Avg Quality 2/10

remove duplicates from array of objects javascript

Contents

More Related Answers

remove duplicates from array of objects javascript

Closely Related Answers

remove duplicate objects from array javascript

remove duplicates objects from an array of objects using javascript

remove duplicate object from array javascript

remove duplicates from array of objects

how to remove duplicate values in array of objects using javascript

remove duplicates objects from array javascript

combine 2 "arrays with objects" and remove object duplicates javascript

javascript remove duplicate objects from array es6

How to remove all duplicates from an array of objects

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.