Dom 结点创建 基础知识

复制代码 代码如下:

  var body = document.body;

  var html = document.documentElement;

  var div = document.createElement("div");

  var p = document.createElement("p");

  var ali = document.createTextNode("alipay");

  p.appendChild(ali);

  div.appendChild(p);

  div.setAttribute("id","fn-div");

  div.setAttribute("class","fn-class");

  body.appendChild(div);

  var arr = div.attributes;

  for(var i=0;i<arr.length;i++){

  console.log(arr[i].name + ":" + arr[i].value);

  }