extend js string object to include toCamelCase method

toCamelCase

// string.toCamelCase()
if (!String.prototype.toCamelCase) {
  String.prototype.toCamelCase = function toCamelCase() { 
    return this.toLowerCase().replace(/(\-[a-zA-Z])/g, function($1) {
        return $1.toUpperCase().replace('-','');
    })
  };
}