code: function getInertElement() {
      if (inertElement)
          return inertElement;
      DOM = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_1__dom_dom_adapter__["b" /* getDOM */])();
      // Prefer using <template> element if supported.
      var /** @type {?} */ templateEl = DOM.createElement('template');
      if ('content' in templateEl)
          return templateEl;
      var /** @type {?} */ doc = DOM.createHtmlDocument();
      inertElement = DOM.querySelector(doc, 'body');
      if (inertElement == null) {
          // usually there should be only one body element in the document, but IE doesn't have any, so we
          // need to create one.
          var /** @type {?} */ html = DOM.createElement('html', doc);
          inertElement = DOM.createElement('body', doc);
          DOM.appendChild(html, inertElement);
          DOM.appendChild(doc, html);
      }
      return inertElement;
  }
docs: Returns an HTML element that is guaranteed to not execute code when creating elements in it.
  @return {?}