BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>BootWiki 教程网</title> <script> function setResult(){ document.getElementById("email").readOnly=true; } </script> </head> <body> <form> Email: <input id="email" type="text"> </form> <button onclick="setResult()" type="button">设置只读</button> </body> </html>
运行结果