Truthy and Falsy Values in JavaScript, Python and Clojure/ClojureScript | rockyourcode

Here are all falsy values:

	JavaScript	Python 3	Clojure/ClojureScript
Falsy	`false`	`False`	`false`
	`null`	`None`	`nil`
	`NaN`
	`undefined`
	`0` (zero)	`0`
	`0.0`	`0.0`
	`""` (empty string)	`""` (empty string)
		`[]` (empty list)
		`()` (empty tuple)
		`{}` (empty dict)
		`set()` (empty set)
		`b''` (empty byte)

Everything else is truthy.

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