Microsoft® JScript™ typeof Operator | Language Reference Version 1

See Also

##### Description

> Used to determine the 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.

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