一道 js 题

有个推友发起了一个挑战：JS challenge

• you have a list of 1000 items
• you have an async function process(item)
• you need to process all items
• it needs to be done concurrently, but not more than 25 at a time
• collect items with errors

what's the cleanest way to do this? libraries allowed

我试了下，用 7 行代码搞定了：

rxjs 用来处理复杂数据流很方便。tweet