String prototype Template function

gistfile1.js

String.prototype.template = function(templateObject){
   return this.replace(/\{\{([a-zA-Z\_0-9\.]*?)\}\}/g, function(match){
      var temp = templateObject;
      match.slice(2,-2).split('.').forEach(function(item){
        temp = temp[item];
      });
      return temp;
   });
};