Posted By

Mijos on 01/22/09

Tagged

number
math

Versions (?)

Last Edited at 01/22/09 03:48am

Statistics

Viewed 666 times

Favorited by 0 user(s)

Related snippets

Format Decimals

/ Published in: ActionScript 3

Usage:
formatDecimals(3.1415926, 3);
returns: 3.141.
Also adds zeros to end if needed.

Expand | Embed | Plain Text

Copy this code and paste it in your HTML

function formatDecimals(num:Number, digits:uint):String
{
	var tenToPower:Number = Math.pow(10, digits);
	var cropped:String = String(Math.round(num * tenToPower) / tenToPower);
 
	var decimalPosition:int;
 
	for (var i:int = 0; i < cropped.length; i++) 
	{
		if (cropped.charAt(i) == ".")
		{
			decimalPosition = i;
		}
	}
 
	var output:String = cropped;
	var decimals:String = cropped.substr(decimalPosition + 1, cropped.length);
	var missingZeros:Number = digits - decimals.length;
 
	if (decimals.length < digits && decimalPosition > 0)
	{
		for (var j:int = 0; j < missingZeros; j++) 
		{
			output += "0";
		}
	}
 
	return output;
}