In Javascript, how do I check if an array has duplicate values?

Question

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Easiest way to find duplicate values in a javascript array

How do I check if an array has

Answer 1

Well I did a bit of searching around the internet for you and I found this handy link.

Easiest way to find duplicate values in a JavaScript array

You can adapt the sample code that is provided in the above link, courtesy of "swilliams" to your solution.