3.26-1

 1 <head>
 2 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 3 <title>无标题文档</title>
 4 <style>
 5 .qq
 6 {
 7     border:2px solid red;}
 8 .ww
 9 {
10     border:5px double blue;}
11 </style>
12 </head>
13 
14 <body><div style="500px; height:300px; border:1px solid red; line-height:300px;">1241231231</div><br />
15 <input type="button" value="请点击我" class="qq" onclick="this.className='ww'" />
16 <div id="me">
17 <b>试试吧</b>
18 </div>
19 <input type="button" value="请点击" onclick="change()" /><br />
20 <br />
21 请输入一个正整数：<input type="text" value="" id="text" /><br />
22 <input type="button" value="点击计算累加求和" onclick="leijia()" /><br />
23 <br />
24 <br />
25 <input type="button" value="同意（10）" id="aa" disabled="disabled" /><br />
26 <br />
27 <br />
28 请输入三个数，用-隔开：<input type="text" id="ee" /><br />
29 <input type="button" value="请点击我" onclick="huoqu()" />
30 </body>
31 </html>
32 <script>
33 var shuzu=new Array();
34 function huoqu()
35 {
36     var a = document.getElementById("ee").value;
37     shuzu=a.split("-");
38     alert(shuzu[2]);
39 }
40 var date = new Date();//初始化成为现在的时间
41 date.setFullYear(2008,7,8);
42 alert(date)
43 
44 
45 
46 
47 var n = 10;
48 var aa = document.getElementById("aa");
49 function bian()
50 {
51     n--;
52     if(n==0)
53     {
54         aa.removeAttribute("disabled");
55         aa.value="同意";
56         
57     }
58     else
59     {
60         aa.value="同意（"+n+"）";    
61         window.setTimeout("bian()",1000);
62     }    
63 }
64 window.setTimeout("bian()",1000);
65 
66 
67 function leijia()
68 {
69     var a = parseInt(document.getElementById("text").value);
70     var sum = 0;
71     for(var i =1;i<=a;i++)
72     {
73         sum+=i;    
74     }
75     alert("刚刚的结果是："+sum);
76 }
77 function change()
78 {
79     var a = document.getElementById("me");
80     a.innerHTML="<br /><br /><font color='red'>Hello!</font>";    
81 }
82 
83 </script>