JavaScript array difference | Example get difference between two Arrays

How to get the difference between two arrays in JavaScript?

You can use filter() and includes() or map() second array and then use includes() to filter get out JavaScript array difference.

A cleaner approach in ES6 is the following solution. Using filter and includes methods:-

Difference

Examples of JavaScript array difference

Let’s see more HTML examples code of find difference of arrays in JS.

Example 1

It works only in one direction.

Output:

Example get difference between two Arrays javascript

Example 2

You could also map() second array and then use includes() to filter out duplicates.

Output:

Using for loop to a for .. in

If you are comparing a normal array. If not, you need to change the for loop to a for .. in loop.

Do comment if you now better example or have any doubts/suggestion on this topic.

Note: All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version


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