<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script>
</script>
</head>
<body>
<form action="">
<select id="mslt">
<option>苹果</option>
<option>桃子</option>
<option>香蕉</option>
<option>桔子</option>
</select>
<br> <br>
<input type="button" onclick="document.getElementById('mslt').disabled=true" value="禁用列表"></input>
//这里使用Button会触发不了 disabled
<button onclick="document.getElementById('mslt').disabled=false">启用列表</button>
</form>
</body>
</html>
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Option 和 Select 对象 禁用并启用下拉列表
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转载自blog.csdn.net/qq_31741481/article/details/87885373
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