console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>下拉菜单练习</title>
</head>
<body>
<form>
下拉菜单：<br>
<select>
<option value="xm">熊猫</option>
<option value="yz">野猪</option>
<option value="hz">猴子</option>
<option value="dx">大象</option>
<option value="s">蛇</option>
<option value="m">马</option>
<option value="z">猪</option>
</select>
<br>列表：<br>
<select multiple size="3">
<option value="apple">苹果</option>
<option value="bannana">香蕉</option>
<option value="pear">梨子</option>
<option value="watwermelon">西瓜</option>
<option value="hamimelon">哈密瓜</option>
</select>
</form>
</body>
</html>