Skip to content

How to check if a JavaScript array contains a specific value

New Course Coming Soon:

Get Really Good at Git

Given a JavaScript array, how do you check if it contains a specific item?

Use the includes() method on the array instance.

For example:

['red', 'green'].includes('red') //true ✅

['red', 'green'].includes('yellow') //false ❌
Are you intimidated by Git? Can’t figure out merge vs rebase? Are you afraid of screwing up something any time you have to do something in Git? Do you rely on ChatGPT or random people’s answer on StackOverflow to fix your problems? Your coworkers are tired of explaining Git to you all the time? Git is something we all need to use, but few of us really master it. I created this course to improve your Git (and GitHub) knowledge at a radical level. A course that helps you feel less frustrated with Git. Launching May 21, 2024. Join the waiting list!
→ Get my JavaScript Beginner's Handbook
→ Read my JavaScript Tutorials on The Valley of Code
→ Read my TypeScript Tutorial on The Valley of Code

Here is how can I help you: