<div style="position:absolute;">
<select name="myvals" style="position:absolute;top:30px; width: 150px; height: 20px; clip: rect(0 180 110 130) " onChange='myval.value=this.options[this.selectedIndex].value'>
<option value="1">1</option>
<option value="2" selected>2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
<input name="myval" type="text" style="position:absolute;top:30px; width: 149px; height: 20px">
</div>
<input type="button" name="Submit" value="结果" onClick="alert(myval.value)">
<script language="javascript">
window.onload=myval.value=myvals.options[myvals.selectedIndex].value;
</script>
<select name="myvals" style="position:absolute;top:30px; width: 150px; height: 20px; clip: rect(0 180 110 130) " onChange='myval.value=this.options[this.selectedIndex].value'>
<option value="1">1</option>
<option value="2" selected>2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
<input name="myval" type="text" style="position:absolute;top:30px; width: 149px; height: 20px">
</div>
<input type="button" name="Submit" value="结果" onClick="alert(myval.value)">
<script language="javascript">
window.onload=myval.value=myvals.options[myvals.selectedIndex].value;
</script>
解决方案 »
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