whenDefined method
Implementation
Future<CustomElementConstructor> whenDefined(String name) =>
js_util.promiseToFuture(js_util.callMethod(this, 'whenDefined', [name]));
Future<CustomElementConstructor> whenDefined(String name) =>
js_util.promiseToFuture(js_util.callMethod(this, 'whenDefined', [name]));