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)); }
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https://api.dart.dev/stable/2.5.0/dart-html/ServiceWorkerContainer/register.html