convertToBlob 方法
- [Map? options]
实现
Future<Blob> convertToBlob([Map? options]) {
var options_dict = null;
if (options != null) {
options_dict = convertDartToNative_Dictionary(options);
}
return promiseToFuture<Blob>(
JS("creates:Blob;", "#.convertToBlob(#)", this, options_dict));
}