84669 person learning
152542 person learning
20005 person learning
5487 person learning
7821 person learning
359900 person learning
3350 person learning
180660 person learning
48569 person learning
18603 person learning
40936 person learning
1549 person learning
1183 person learning
32909 person learning
倒计时 , 随机背景色 , 全选反选 , 隔行换色
使用判断语句判断闰年,和为学生成绩判断等级 .
通过foreach遍历并输出数组值
通过for循环输出数组值
以下是运用上节课知识点来写的一个新闻页面