typeof

Availability

Flash Player 5.

Usage

typeof(expression)

Parameters

expression A string, movie clip, button, object, or function.

Description

Operator; a unary operator placed before a single parameter. The typeof operator causes the Flash interpreter to evaluate expression; the result is a string specifying whether the expression is a string, movie clip, object, function, number, or Boolean value. The following table shows the results of the typeof operator on each type of expression.

Parameter	Output
String	`string`
Movie clip	`movieclip`
Button	`object`
Text field	`object`
Number	`number`
Boolean	`boolean`
Object	`object`
Function	`function`