74
ActionScript language elements
Example
The following examples use the
parseFloat()
function to evaluate various types of numbers:
trace(parseFloat("-2")); // output: -2
trace(parseFloat("2.5")); // output: 2.5
trace(parseFloat(" 2.5")); // output: 2.5
trace(parseFloat("3.5e6")); // output: 3500000
trace(parseFloat("foobar")); // output: NaN
trace(parseFloat("3.75math")); // output: 3.75
trace(parseFloat("0garbage")); // output: 0
See also
NaN constant
,
parseInt function
parseInt function
parseInt(
expression:String
[
, radix:Number
])
: Number
Converts a string to an integer. If the specified string in the parameters cannot be converted to
a number, the function returns
NaN
. Strings beginning with 0x are interpreted as hexadecimal
numbers. Integers beginning with 0 or specifying a radix of 8 are interpreted as octal numbers.
White space preceding valid integers is ignored, as are trailing nonnumeric characters.
Availability:
ActionScript 1.0; Flash Lite 2.0
Parameters
expression
:
String
- A string to convert to an integer.
radix
:
Number
[optional] - An integer representing the radix (base) of the number to parse.
Legal values are from 2 to 36.
Returns
Number
- A number or
NaN
(not a number).
Example
The examples in this section use the
parseInt()
function to evaluate various types of
numbers.
The following example returns 3:
parseInt("3.5")
The following example returns
NaN
:
parseInt("bar")
Summary of Contents for FLASHLITE2 ACTIONSCRIPT-LANGUAGE
Page 1: ...Flash Lite 2 x ActionScript Language Reference...
Page 22: ...22 Contents...
Page 244: ...244 ActionScript language elements...
Page 760: ...760 ActionScript classes...
