<select name="girl" onChange="if(this.selectedIndex!=0) document.all.boy.selectedIndex=0;">
<option value="女生数据">请选择女生姓名</option>
<option value="s1">s1</option>
<option value="s2">s2</option>
</select><select name="boy" onChange="if(this.selectedIndex!=0) document.all.girl.selectedIndex=0;">
<option value="男生数据">请选择男生姓名</option>
<option value="s1">s1</option>
<option value="s2">s2</option>
</select>
<option value="女生数据">请选择女生姓名</option>
<option value="s1">s1</option>
<option value="s2">s2</option>
</select><select name="boy" onChange="if(this.selectedIndex!=0) document.all.girl.selectedIndex=0;">
<option value="男生数据">请选择男生姓名</option>
<option value="s1">s1</option>
<option value="s2">s2</option>
</select>
解决方案 »
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