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javascript禁用与启用select标签(实用版)

<html>
<head>
<script type="text/javascript">
function disable()
  {
  document.getElementById("mySelect").disabled=true
  }
function enable()
  {
  document.getElementById("mySelect").disabled=false
  }
</script>
</head>
<body>

<form>
<select id="mySelect">
  <option>苹果</option>
  <option>桃子</option>
  <option>香蕉</option>
  <option>桔子</option>
</select>
<br /><br />
<input type="button" onclick="disable()" value="http://www.mamicode.com/禁用列表">
<input type="button" onclick="enable()" value="http://www.mamicode.com/启用列表">
</form>

< /body>
</html>