The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.
Юлия Мискевич (Ночной линейный редактор)
，详情可参考服务器推荐
Save StorySave this story
It is possible to disable the automatic update service if you prefer to manage updates manually.
"The big thing will be seeing friends and family and the people who they were expecting to spend Christmas with," said Helen Sharman, Britain's first astronaut.