Count the Arguments

JavaScriptHardlanguage_fundamentalsfunctional_programming

Instructions

Create a function that returns the number of arguments it was called with.

numArgs() ➞ 0

numArgs("foo") ➞ 1

numArgs("foo", "bar") ➞ 2

numArgs(true, false) ➞ 2

numArgs({}) ➞ 1

javascript

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⌘ ↵ to run

Walks through the solution with reasoning and edge cases.