JavaScript Arrays
JavaScript Array includes method
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How to use the JavaScript Array includes method to determine whether or not an Array contains a specific item.
The method only returns a True or False answer.
Code Gist: https://gist.github.com/prof3ssorSt3v3/2353cfafcb2ff25e9e40275ba79d01b2
MDN site reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes
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