How to check if a JavaScript array contains a specific value
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 ❌
→ Here's my latest YouTube video
→ Get my JavaScript Beginner's Handbook
→ I wrote 17 books to help you become a better developer, download them all at $0 cost by joining my newsletter
→ JOIN MY CODING BOOTCAMP, an amazing cohort course that will be a huge step up in your coding career - covering React, Next.js - next edition February 2025