js中不存在自带的sleep方法,要想休眠要自己定义个方法 function sleep(numberMillis) { var now = new Date(); var exitTime = now.getTime() + numberMillis; while (true) { now = new Date(); if (now.getTime() > exitTime) return; } } 以下是补充: 除了Narrative JS,jwacs(Javascript With Adv