N-R > Number (function)

Number (function)

Syntax

Number(expression);

Arguments

expression The string, Boolean, or other expression to convert to a number.

Description

Function; converts the argument x to a number and returns a value as follows:

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

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

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

If x 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.

Player

Flash 4 or later.

See also

Number (object)