Method clone

src/polyfills/fetch.js:142–145

* Create a copy of the response and return it. * @return {!FetchResponse}

()

   * @return {!FetchResponse}
   */
  clone() {
    devAssert(!this.bodyUsed, 'Body already used');
    return new FetchResponse(this.xhr_);
  }

  /**
   * Drains the response and returns the text.