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.
const origAddSB = MS.prototype.addSourceBuffer;
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2025年，广东深圳南山区成功迈入“万亿城区”。南山区为什么能？营商环境的持续优化完善，正是发展密码之一。
int bucketIdx = (arr[i] * bucketCount) / (max + 1); // 均匀映射