Pasrses a number better than the orginal parseFloat function

betterParseFloat.func.js

function betterParseFloat(num){
  num = (num+"").replace(new RegExp(",", 'g'), ""); // Remove commas
  return (num.length==0)?0:(isNaN(parseFloat(num)))?betterParseFloat(num.substr(1)):parseFloat(num);
};

betterParseFloat.func.min.js

function betterParseFloat(a){return a=(a+"").replace(new RegExp(",","g"),""),0==a.length?0:isNaN(parseFloat(a))?betterParseFloat(a.substr(1)):parseFloat(a)}