方法一：根据ID
1
<select id="abc" onchange="change(this)">
2 <option value='1'>1</option>
3 <option value='2'>2</option>
4 <option value='3'>3</option>
5</select>
6
7<script type="text/javascript">
8 function change(obj)
9![]()
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方法二：借助FORM
1<form id='form1'>
2<select id='abc' onchange="change()">
3<option value='1'>1</option>
4<option value='2'>2</option>
5<option value='3'>3</option>
6</select>
7</form>
8
9<SCRIPT LANGUAGE="JavaScript">
10 function change()
11![]()
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