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web前端:动态创建节点

作者:jane_panyiyun     来源: https://www.cnblogs.com/jane-panyiyun/p/12212569.html点击数:1040发布时间: 2020-03-31 09:06:10

标签: 程序语言XMLjQuery

Web开发

  节点是XML文件中有效而完整的结构的最小单元。内含标示组的节点,加上必要属性、属性值及内容,便可构成一个元素。节点的标志符<>。

  动态创建节点

  js的方法

  varbox=document.getElementById("box");

  vara=document.createElement("a");

  box.appendChild(a);

  a.setAttribute("href","http://web.itcast.cn");

  a.setAttribute("target","_blank");

  a.innerhtml="传智大前端";

  jQuery的方法

  $(function(){

  $("#box").append('<ahref="http://web.itcast.cn" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" target="_blank">传智大前端</a>');

  });

  <!DOCTYPEhtml>

  <htmllang="zh-CN">

  <head>

  <metacharset="UTF-8">

  <title>Title</title>

  <style>

  div{

  width:400px;

  height:400px;

  background-color:pink;

  }

  </style>

  </head>

  <body>

  <!--<ahref="http://web.itcast.cn" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" target="_blank">传智大前端</a>-->

  <divid="box"></div>

  <scriptsrc="jquery-1.12.4.js"></script>

  <script>

  $(function(){

  $("#box").append('<ahref="http://web.itcast.cn" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" rel="nofollow" target="_blank" target="_blank">传智大前端</a>');

  });

  </script>

  </body>

  </html>

  在程序语言中,节点是XML文件中有效而完整的结构的最小单元。在作图软件Maya中,节点是最小的单位。每个节点都是一个属性组。节点可以输入,输出,保存属性。

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