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> <head> <script> function myFunction(x){ x.style.background="yellow"; } </script> </head> <body> 输入你的名字: <input type="text" onfocus="myFunction(this)"> <p>当输入框获取焦点时,修改背景色(background-color属性) 将被触发。</p> </body> </html>
运行结果