Find Array Intersection | What is Intersection of Two Arrays | Learn JavaScript & Algorithms

Find array intersection in JavaScript. What is intersection of two arrays? The intersection of two arrays refers to the common elements found in both arrays. In other words, it's the set of values that exist in both arrays. The intersection of a set A with a B is the set of elements that are in both set A and B. Write a function that finds the intersection of two arrays using javascript. We can find the intersection of two arrays in JavaScript by using a combination of the filter and includes methods. Lets find intersection of two arrays in javascript.

Define a function that takes two arrays, arr1 and arr2, as arguments. Use the filter method on arr1 to create a new array that contains only elements that are also included in arr2.

The filter method applies the provided callback function to each element in arr1. The includes method is used to check if the current element from arr1 is present in arr2. The resulting array of elements that are present in both arr1 and arr2 is returned by the function.

Declare two arrays and assign values. Call the intersection function with both arrays as arguments
and the result will be intersection of these arrays.

So this is how we can find intersection of two arrays using JavaScript.

* Full Playlist (Coding Challenge, Interview Questions & Leetcode) *

It can be a good javascript interview question or frontend interview question. You may not be required to solve it on paper or whiteboard but the interviewer may ask you to give an idea on how to approach this algorithm. If you have an understanding of how to solve this problem or approach this algorithm, you will be able to answer it and get your next job as a frontend developer or full-stack developer.

Our tutorials help you to improve your career growth, perform better in your job and make money online as a freelancer. Learn the skills to build and design professional websites, and create dynamic and interactive web applications using JavaScript, or WordPress. Our tutorials are tailored to help beginners and professionals alike. Whether you're just starting in the field or you're looking to expand your knowledge, we've got something for you. Join us on this journey to becoming a skilled web developer. Subscribe to our channel and let's get started!

Thank You!
👍 LIKE VIDEO
👊 SUBSCRIBE
🔔 PRESS BELL ICON
✍️ COMMENT

#array #js #javascript #challenge #codingchallenge #javascriptinterviewquestions #javascripttutorial #leetcode #coding #programming #computerscience #algorithm #WebStylePress