<select size="1" name="D1" onchange="this.selectedIndex=index">
<option value="1111">1111</option>
<option value="222" selected>222</option>
<option value="333">333</option>
<option value="444">444</option>
</select>
<script>
var index=D1.selectedIndex
</script>
<option value="1111">1111</option>
<option value="222" selected>222</option>
<option value="333">333</option>
<option value="444">444</option>
</select>
<script>
var index=D1.selectedIndex
</script>
解决方案 »
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