Use Number() to convert string to a float number

 
 
package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){

        trace(Number("3.14")); // 3.14
        trace(Number("3.14 has a posse")); // NaN
 
    }
  }
}

Related examples in the same category

1.	Numeric Conversions:adding an int and a float, assigning to an int
2.	Adding an int and a float, assigning to a float
3.	Dividing an int and an int, upgraded to float since the result is not a whole number, and the left-hand side doesn't specify a type
4.	Call the number's toString() method. This is the preferred way.
5.	parseFloat()

Use Number() to convert string to a float number : float « Data Type « Flash / Flex / ActionScript

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