var otest = document.getElementById("test"); var newnode=document.createElement("li"); newnode.innerHTML="php"; otest.insertBefore(newnode,document.getElementsTagName("li")[1]);
var otest = document.getElementById("test"); var newnode=document.createElement("li"); newnode.innerHTML="php"; otest.insertBefore(newnode,document.getElementsTagName("li")[1]);
2017-05-02
寫的挺好的,這樣是可以的,只是你的函數(shù)名寫錯了,document.getElementsByTagName()