Method isChrome

src/openlayers/mapping/WebMap.js:5407–5410

* @private * @function WebMap.prototype.isChrome * @description 判断当前浏览器是否为谷歌 * @returns {boolean}

()

   * @returns {boolean}
   */
  isChrome() {
    let userAgent = navigator.userAgent;
    return userAgent.indexOf('Chrome') > -1;
  }

  /**
   * @private