Programmer Humor

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0 vs null vs undefined - explained with toilet paper (i.stack.imgur.com)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 1 year ago

No, at least for JS the picture for undefined should actually be for "not defined" which yes is different. Undefined would be an empty holder without the spool holder.

0 = a 0 value

null = a value that means no value

undefined = the variable doesn't point to a value

not defined = there is no variable or anything