The problem compounds in pipelines. Each TransformStream adds another layer of promise machinery between source and sink. The spec doesn't define synchronous fast paths, so even when data is available immediately, the promise machinery still runs.
💡 k: 数据范围, d: 最大位数, n: 数据量，详情可参考heLLoword翻译官方下载
，这一点在旺商聊官方下载中也有详细论述
const cur = arr[i]; // 当前遍历的元素值
❤️，详情可参考WPS下载最新地址