Add commas or spaces to group every three digits

Question

I have a function to add commas to numbers:

function commafy( num ) {
  num.toString().replace( /\\B(?=(?:\\d{3})+)$/g, \",\" );
}

Unfortun

Answer 1

This worked for me:

function commafy(inVal){
   var arrWhole = inVal.split(".");
   var arrTheNumber = arrWhole[0].split("").reverse();
   var newNum = Array();
   for(var i=0; i