It exists, but will coerce to false // be wary of this // figuring out types of literals and vars typeof "Hello"; // = "string" typeof 42; // = "number" typeof undefined // = "undefined" typeof null // = 'object' THIS IS A JS BUG! // figuring out if an object is an...
[1] Some programming language theorists require support for anonymous functions (function literals) as well.[2] In languages with first-class functions, the names of functions do not have any special status; they are treated like ordinary variables with a function type. quoted from Wikipedia...