Skip to content
FLAVIO COPES
flaviocopes.com
2026

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 ❌
~~~

Related posts about js: