摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>jquery</title> <script type="text/javascript" src="js/jquery.min.js"></script> <sc 阅读全文
摘要：
<title>jquery</title> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ al 阅读全文