this post was submitted on 06 Jul 2023
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0 vs null vs undefined - explained with toilet paper (i.stack.imgur.com)
submitted 1 year ago by jeff@programming.dev to c/programmer_humor@programming.dev
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[–] crystal@feddit.de 2 points 1 year ago* (last edited 1 year ago)

In Javascript you can do let a = undefined, defining the variale a as undefined.

A significant difference to defining it as null is that typeof null == "object", while typeof undefined == "undefined".