<!DOCTYPE html><html><head> ???<title></title> ???<script type="text/javascript"> ???????for(var i = 0 ; i < 10; i++){ ???????????setTimeout((function(i){ ??????????? return function(){ console.log(i);} ???????????})(i), i*1000); ???????} ???</script></head><body></body></html>JS延迟执行
原文地址：https://www.cnblogs.com/liuswi/p/8439602.html