我想知道单击它后如何显示不同的按钮。例子:
<input type="button" value="Submit" id="button1">
<input type="button" value="Submit" id="button2" style="display: none;">
<input type="button" value="Submit" id="button3" style="display: none;">
<select id="whatever">
<option id="1">1</select>
<option id="2">2</select>
<option id="3">3</select>
</select>
<select id="whatever2" style="display: none;">
<option id="1">1</select>
<option id="2">2</select>
<option id="3">3</select>
</select>
我希望 button1 显示选择 ID“whatever”,按钮 2 隐藏 select id="whatever" 并显示“whatever2”和按钮 3 相同的东西。谢谢!