description

# register method Null safety

Future<ServiceWorkerRegistration> register (

1. String url,
2. [Map? options]

)

## Implementation

    Future<ServiceWorkerRegistration> register(String url, [Map? options]) {
      var options_dict = null;
      if (options != null) {
        options_dict = convertDartToNative_Dictionary(options);
      }
      return promiseToFuture<ServiceWorkerRegistration>(
          JS("", "#.register(#, #)", this, url, options_dict));
    }