Javascript String replaceArray( find, replace )

String.prototype.replaceArray = function( find, replace ) {
  var str = this, regex;
  for ( var i = 0; i < find.length; i++ ){
     regex = new RegExp( find[i], "g" );
     str = str.replace( regex, replace[i] );
  }/*from w ww .  jav  a2  s.c om*/
  return str;
};

String.prototype.replaceArray = function(find, replace) {
    var replaceString = this;
    var regex;/*from   ww  w  .  j  a  v  a2 s. c o  m*/
    for (var i = 0; i < find.length; i++) {
        regex = new RegExp(find[i], "g");
        replaceString = replaceString.replace(regex, replace[i]);
    }
    return replaceString;
};