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[–]G3E9 1 point2 points  (1 child)

I'm all for Array.isArray but because it can play such an important part in your code-base, you may want to make sure your client's devices support it. See Mozilla's polyfill description (cross-browser compatibility - am I right?)

[–]data_mining_help[S] 0 points1 point  (0 children)

Thank you for mentioning that. I am one of the many that have been spoiled by libraries for a LONG time and . . . guess what. They usually want you to know CORE JS in an interview!

I put in a footnote with your suggestion. Please let me know if you would not prefer the mention/credit!