The JavaScript array method includes(), like so many other array methods, does what its name proclaims: it will check an array to see if it includes a specific value. This array method is handy and incredibly easy to use!

What does includes() do?

The JavaScript array method includes() will check an array to see if it includes the specific value that you provided. This array method returns a boolean: true if the array includes the value or false if it does not.

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