// Hook the SourceBuffer INSTANCE immediately,
这样一来，窥视者在其他角度看过去，由于眼睛接收不到来自屏幕的光线，看上去仿佛屏幕根本没有点亮，从而实现宏观的防窥的效果。
，详情可参考夫子
The trust had known grandparents were unable to help as they had told staff during assessments, Dan said.
await blocking.writer.write(chunk2); // ok
│ Untrusted Code │