①查看代码
?<ul id="ul"> ???????<li>1111</li> ???????<li>2222</li> ???????<li>3333</li> ???????<li>4444</li> ???????<li>5555</li> ?</ul>初学者写法：
<script type="text/javascript"> ??var oUl = document.getElementById("ul"); ??var aLi = oUl.getElementsByTagName("li"); ??for(var i = 0; i < aLi.length; i++){ ???????????aLi[i].onclick = function (){ ??????????????alert(i); ???????????}; ?????} ?</script>关于js循环绑定问题
原文地址：https://www.cnblogs.com/resist/p/9174525.html