Method json

src/polyfills/fetch.js:171–175

* Drains the response and returns the JSON object. * @return {!Promise<!JsonObject>}

()

   * @return {!Promise<!JsonObject>}
   */
  json() {
    return /** @type {!Promise<!JsonObject>} */ (
      this.drainText_().then(parseJson)
    );
  }

  /**
   * Drains the response and returns a promise that resolves with the response