code: function replace(val1, val2) {
        var l = last.call(this);
        l.replacePartial1 = val1;
        l.replacePartial2 = val2;
        return this;
      }
docs: ### function replace(val1, val2) #### @val1 {String|RegExp} The part of the attribute that needs to be replaced #### @val2 {String} The value it should be replaced with