RUNOOB.COM
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>电脑学习网教程(runoob.com)</title> </head> <body> <form action=""> <select name="cars"> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="fiat">Fiat</option> <option value="audi">Audi</option> </select> </form> </body> </html>
运行结果