javascript为下拉列表动态添加数据项

  javascript为下拉列表添加数据项.html

  

复制代码 代码如下:

  <!DOCTYPE html>

  <html xmlns="http://www.w3.org/1999/xhtml">

  <head>

  <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

  <title>为下拉列表动态添加数据项</title>

  <script type="text/javascript">

  function gel(id) { return document.getElementById(id); }

  window.onload = function() {

  var cbbYear = gel("mysel");

  for (var i = 1990; i < 2014; i++) {

  //方法1

  /*var opt = document.createElement("option");

  opt.innerHTML = i;

  cbbYear.appendChild(opt);*/

  //方法2

  var opt = new Option(i, i);

  cbbYear.options.add(opt);

  }

  };

  </script>

  </head>

  <body>

  <select id="mysel">

  </select>

  </body>

  </html>