Retrieves the HotJar user ID from the browser. The ID can be passed to analytics or other systems as a way to connect HotJar recordings to other systems.

getHotJarUserID.js

(function () {
  // gets hotjar user id (hjUID)
  var hjUID = "";
  try {
    if (typeof (hj) != "undefined" && hj.hasOwnProperty("globals")) {
      // sample: a21c0a02-3b48-53c6-94b4-5604e281e5d8
      // the value before the first "-" ("a21c0a02") is the user identifier that can be referenced in the hj interface
      // use the following snippet to return only the user identifier (eg// "a21c0a02"): 
      // hjUID =hj.globals.get("userId").split("-").shift();

      // use the following snippet to return the full string (eg// "a21c0a02-3b48-53c6-94b4-5604e281e5d8")
      hjUID = hj.globals.get("userId");
    }
  } catch (err) {
    /** ignore **/
  }

  // return hjUID or an empty string ""
  return hjUID;
})();