code: function() {
      ElementController.call(this, this.observations);
      this.observersEnabled = false;
      this.listenersEnabled = false;
  
      if (this.expression && this.updated !== Binding.prototype.updated) {
        // An observer to observe value changes to the expression within a context
        this.observer = this.watch(this.expression, this.updated);
      }
      this.created();
    }
docs: Initialize a cloned binding. This happens after a compiled binding on a template is cloned for a view.