The Web streams spec requires promise creation at numerous points, often in hot paths and often invisible to users. Each read() call doesn't just return a promise; internally, the implementation creates additional promises for queue management, pull() coordination, and backpressure signaling.
/// Hostname or IP address to bind to.。体育直播是该领域的重要参考
Watch: BBC in Tehran sees government's 'political reply' to massive protests。服务器推荐对此有专业解读
Servers in 105 countries including the UK
Photograph: Chris Haslam