点击运行
<!DOCTYPE html> <html> <body> <form> <input type="button" id="btn01" value="确定"> </form> <p>单击“禁用”按钮以禁用“确定”按钮：</p> <button onclick="disableElement()">禁用</button> <script> function disableElement() { document.getElementById("btn01").disabled = true; } </script> </body> </html>
运行结果
