进程：

    Instances of the ServiceWorkers class are accessed by using serviceWorkers property of a Session.

    The following events are available on instances of ServiceWorkers:

    返回:

    • event Event
    • messageDetails Object - Information about the console message
      • message String - The actual console message
      • versionId Number - The version ID of the service worker that sent the log message
      • level Number - The log level, from 0 to 3. In order it matches verbose, info, warning and error.
      • sourceUrl String - The URL the message came from
      • lineNumber Number - The line number of the source that triggered this console message

    The following methods are available on instances of ServiceWorkers:

    Returns Record<Number, ServiceWorkerInfo> - A ServiceWorkerInfo object where the keys are the service worker version ID and the values are the information about that service worker.

    serviceWorkers.getFromVersionID(versionId)

    • Number

    If the service worker does not exist or is not running this method will throw an exception.