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javascript get array difference

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Grepper answered on July 31, 2019 Popularity 10/10 Helpfulness 4/10

answer javascript get array difference

related Difference between elements of two arrays js

related compare two arrays and return the difference javascript

related return symmetric difference of the array javascript

related How To Get The Difference Between Two Arrays In JavaScript

related javascript get array difference

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

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Contributed on Jul 31 2019

Grepper

0 Answers Avg Quality 2/10

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Difference between elements of two arrays js

Comments(1)

////Difference b/w elements of two arrays
const a = [1, 2, 3, 4, 5];
const b = [1, 2];

var difference = a.filter((x) => !b.includes(x));
console.log(difference);
//[3,4,5]

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: techiedelight.com

Tags: arrays ar

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Contributed on Nov 03 2022

Abu Bakar Saddiq

0 Answers Avg Quality 2/10

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 ar

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Contributed on Mar 09 2021

Sore Seahorse

0 Answers Avg Quality 2/10

return symmetric difference of the array javascript

Comment

function symmetricDiff(arrary1, array2){
 let symmetricDifference = []; 
  
 symmetricDifference = array1.filter(element => !array2.includes(element))
   .concat(array2.filter(element => !array1.includes(element)))
 return symmetricDifference;
}

Popularity 8/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Nov 18 2020

Internet Explorer

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

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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

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Contributed on Mar 14 2022

Bewildered Badger

0 Answers Avg Quality 2/10

javascript get array difference

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javascript get array difference

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Difference between elements of two arrays js

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javascript get array difference

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