简单教程
提交运行
代码编辑器:
E-mail: <input type="email" id="myEmail"><br><br> <button onclick="disableBtn()">禁用 Email 字段</button> <button onclick="undisableBtn()">启用 Email 字段</button> <script> function disableBtn() { document.getElementById("myEmail").disabled = true; } function undisableBtn() { document.getElementById("myEmail").disabled = false; } </script>
运行结果: