fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> 名: <input type="text" id="myText"> <p>点击按钮禁用文本域。</p> <button onclick="myFunction()">禁用文本域</button> <script> function myFunction() { document.getElementById("myText").disabled = true; } </script> </body> </html>
运行结果