Breaking News: Grepper is joining You.com. Read the official announcement!

compare two arrays and return the difference javascript

Add Answer

Sore Seahorse answered on July 31, 2019 Popularity 10/10 Helpfulness 5/10

answer compare two arrays and return the difference javascript

related javascript get array difference

related compare between two arrays javascript

related How To Get The Difference Between Two Arrays In JavaScript

related javascript get array difference

compare two arrays and return the difference javascript

Comment

let difference = arr1
                 .filter(x => !arr2.includes(x))
                 .concat(arr2.filter(x => !arr1.includes(x)));

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: arrays compare difference javascript return

Link to this answer
Share Copy Link

Contributed on Mar 09 2021

Sore Seahorse

0 Answers Avg Quality 2/10

Closely Related Answers

javascript get array difference

Comment

function arrayDiff (a1, a2) {
    var a = [], diff = [];
    for (var i = 0; i < a1.length; i++) {
        a[a1[i]] = true;
    }
    for (var i = 0; i < a2.length; i++) {
        if (a[a2[i]]) {
            delete a[a2[i]];
        } else {
            a[a2[i]] = true;
        }
    }
    for (var k in a) {
        diff.push(k);
    }
    return diff;
}
//usage:
console.log(arrayDiff(['red', 'white','green'], [ 'red','white', 'blue']));//["green", "blue"]

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jul 31 2019

Grepper

0 Answers Avg Quality 2/10

compare between two arrays javascript

Comment

const equals = (a, b) => JSON.stringify(a) === JSON.stringify(b);
let arr1 = ['1','2'];
let arr2 = ['1','2'];
equals(arr1,arr2)//this return false , if not equal then its return false

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: arrays ar

Link to this answer
Share Copy Link

Contributed on Apr 30 2021

badboy

0 Answers Avg Quality 2/10

How To Get The Difference Between Two Arrays In JavaScript

Comment

function arr_diff (a1, a2) {

    var a = [], diff = [];

    for (var i = 0; i < a1.length; i++) {
        a[a1[i]] = true;
    }

    for (var i = 0; i < a2.length; i++) {
        if (a[a2[i]]) {
            delete a[a2[i]];
        } else {
            a[a2[i]] = true;
        }
    }

    for (var k in a) {
        diff.push(k);
    }

    return diff;
}

console.log(arr_diff(['a', 'b'], ['a', 'b', 'c', 'd']));
console.log(arr_diff("abcd", "abcde"));
console.log(arr_diff("zxc", "zxc"));
 Run code snippet

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: arrays ar

Link to this answer
Share Copy Link

Contributed on Sep 24 2022

Duyen Nguyen

0 Answers Avg Quality 2/10

javascript get array difference

Comment

let difference = arr1
                 .filter(x => !arr2.includes(x))
                 .concat(arr2.filter(x => !arr1.includes(x)));

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: array-difference get javascript

Link to this answer
Share Copy Link

Contributed on Mar 14 2022

Bewildered Badger

0 Answers Avg Quality 2/10

compare two arrays and return the difference javascript

Contents

More Related Answers

compare two arrays and return the difference javascript

Closely Related Answers

javascript get array difference

compare between two arrays javascript

How To Get The Difference Between Two Arrays In JavaScript

javascript get array difference

Grepper

Documentation

Social

Legal

Contact

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