切换布局
显示结果
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>迹忆客(jiyik.com)</title> <script src="https://www.jiyik.com//templets/jiyi/v2/js/jquery-2.2.4.min.js"> </script> <script> $(document).ready(function(){ $(":selected").css("background-color","red"); }); </script> </head> <body> <form action=""> 用户名: <input type="text" name="user"><br> 汽车品牌: <select> <option>Volvo</option> <option selected="selected">Saab</option> <option>Mercedes</option> <option>Audi</option> </select> </form> </body> </html>
