Determines a value's type.
The following values are not natively provided in older JavaScript engines:
Map
Set
WeakMap
WeakSet
Symbol
input value
string indicating the value's type
var str = typeOf( 'a' ); // returns 'string'
var str = typeOf( 5 ); // returns 'number'
Determines a value's type.
Notes
The following values are not natively provided in older JavaScript engines:
Map
Set
WeakMap
WeakSet
Symbol