Flash CS3 Documentation

ActionScript 2.0 Language Reference > ActionScript language elements > Operators > typeof operator

typeof operator

typeof(expression)

Evaluates the expression and returns a string specifying whether the expression is a String, MovieClip, Object, Function, Number, or Boolean value.

Availability: ActionScript 1.0; Flash Player 5

Operands

expression : Object - A string, movie clip, button, object, or function.

Returns

String - A String representation of the type of expression. The following table shows the results of the typeof operator on each type of expression.

See also

instanceof operator

Flash CS3