N-R > Number (function)

 

Number (function)

Availability

Flash Player 4.

Usage

Number(expression)

Parameters

expression An expression to convert to a number.

Returns

Nothing.

Description

Function; converts the parameter expression to a number and returns a value as follows:

If expression is a number, the return value is expression.

If expression is a Boolean value, the return value is 1 if expression is true, 0 if expression is false.

If expression is a string, the function attempts to parse expression as a decimal number with an optional trailing exponent, that is, 1.57505e-3.

If expressionx is undefined, the return value is 0.

This function is used to convert Flash 4 files containing deprecated operators that are imported into the Flash 5 authoring environment. See the & operator for more information.

See also

Number (object)