| Microsoft® JScript® typeof Operator |
Language Reference Version 1 |
Description
Returns a string that identifies the data type of an expression.
Syntax
typeof [ ( ] expression [ ) ] ;The expression argument is any expression for which type information is sought.
Remarks
The typeof operator returns type information as a string. There are six possible values that typeof returns: "number," "string," "boolean," "object," "function," and "undefined."The parentheses are optional in the typeof syntax.