Symbol() constructor

The Symbol() function returns primitive values of type Symbol.

Parameters: description A string. A description of the symbol which can be used for debugging but not to access the symbol itself.

description A string. A description of the symbol which can be used for debugging but not to access the symbol itself.

To create a new primitive symbol, you write Symbol() with an optional string as its description:

The above code creates three new symbols. Note that Symbol(“foo”) does not coerce the string “foo” into a symbol. It creates a new symbol each time:

Syntax example: Symbol()