dist/es5/dev/widget/Constructor.js
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);
                }
            }
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);
                }
            }
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 ) ; } }
Remove from parentNode  @method detach
Remove from parentNode