• code snippets
  • all code snippets/
  • popular code snippets/
  • your code snippets
• extras
• blog
• about snipplr

• Big /
• Small

Posted By

wizard04 on 07/28/08

Tagged

javascript number base radix

Versions (?)

12/08/09 12:19pm08/06/08 02:48pm08/06/08 02:47pm08/06/08 02:45pm08/06/08 02:40pm07/29/08 09:59am07/28/08 12:31pm07/28/08 12:10pm

 / Published in: JavaScript

 

//Convert a number to a different base (e.g., from hex to decimal)
function changeBase(num, from, to)
{
	if(isNaN(from) || from < 2 || from > 36 || isNaN(to) || to < 2 || to > 36)
		throw (new RangeError("Illegal radix. Radices must be integers between 2 and 36, inclusive."));
	num = parseInt(num, from);	//convert to decimal
	num = num.toString(to);	//convert the decimal to desired base
	return num.toUpperCase();
}

Report this snippet   Tweet

Comments

Subscribe to comments

Posted By: wizard04 on August 6, 2008

Completely rewrote it.

Posted By: cbecker333 on July 16, 2009

This does not work. The base=>decimal conversion doesn't work correctly. I found several instances where base4=>base64 conversion absolutely does not work.

Posted By: wizard04 on July 17, 2009

Could you give me a couple examples so I can fix it?

Posted By: wizard04 on December 8, 2009

Made this MUCH simpler!