taro-sockjs-client/src/utils/browser.js

sockjs-client for Taro

export default {
  isOpera: function () {
    return global.navigator && /opera/i.test(global.navigator.userAgent)
  },

  isKonqueror: function () {
    return global.navigator && /konqueror/i.test(global.navigator.userAgent)
  },

  // #187 wrap document.domain in try/catch because of WP8 from file:///
  hasDomain: function () {
    // non-browser client always has a domain
    if (!global.document) {
      return true
    }

    try {
      return !!global.document.domain
    } catch (e) {
      return false
    }
  },
}