Discussion on: Remembering that "functions are objects" can help in writing more concise code

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Replies for: Oh, I see now. There is a conflict between the two parameters (index and base). Since the code you mentioned returns [0, NaN, NaN], why does it ret...

From MDN (radix being the same as base with the previously used verbage):

If radix is undefined or 0 (or absent), JavaScript assumes the following:

If the input string begins with "0", radix is eight (octal) or 10 (decimal). Exactly which radix is chosen is implementation-dependent. ECMAScript 5 specifies that 10 (decimal) is used, but not all browsers support this yet. For this reason always specify a radix when using parseInt.

Basti Ortiz • Oct 20 '18

Thanks for looking into this! We appreciate your efforts. I'll go make a quick edit to the article now to raise this point.