docs: function detach() {
                  if (!this._placeholder) {
                      this._placeholder = document.createElement(this.el.tagName);
                  }
                  if (!this._parent) {
                      this._parent = this.el.parentNode;
                  }
  
                  if (this.el && this._parent) {
                      this._parent.replaceChild(this._placeholder, this.el);
                  }
              }