算法平均时间最好时间最坏时间空间稳定适用场景冒泡排序O(n²)O(n)O(n²)O(1)✓小数据、教学选择排序O(n²)O(n²)O(n²)O(1)✗小数据、交换代价高插入排序O(n²)O(n)O(n²)O(1)✓小数据、基本有序希尔排序O(n^1.3)O(nlogn)O(n²)O(1)✗中等数据归并排序O(nlogn)O(nlogn)O(nlogn)O(n)✓大数据、要求稳定快速排序O(nlogn)O(nlogn)O(n²)O(logn)✗大数据、通用首选堆排序O(nlogn)O(nlogn)O(nlogn)O(1)✗大数据、空间敏感计数排序O(n+k)O(n+k)O(n+k)O(k)✓整数、范围小基数排序O(d(n+k))O(d(n+k))O(d(n+k))O(n+k)✓整数、位数少桶排序O(n+k)O(n+k)O(n²)O(n+k)✓均匀分布数据
16 January 2026ShareSave
，推荐阅读safew官方版本下载获取更多信息
Web streams has no synchronous path. Even if your source has data ready and your transform is a pure function, you still pay for promise creation and microtask scheduling on every operation. Promises are fantastic for cases in which waiting is actually necessary, but they aren't always necessary. The new API lets you stay in sync-land when that's what you need.
A trial in the US found that applying stem cells from the mother’s placenta to her baby’s spine while it was being repaired was safe and improved the child’s mobility and quality of life.