-
Notifications
You must be signed in to change notification settings - Fork 20
/
11.3 变换链接色彩和背景.htm
57 lines (57 loc) · 3.25 KB
/
11.3 变换链接色彩和背景.htm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
<html>
<head>
<title>11.3 链接变换背景色</title>
</head>
<body>
<script language="javascript">
<!--
function rndbg(){ //random background
document.bgColor = getColor() //调用getColor函数取得颜色值，并
} //将其应用到文档的背景色属性上
function getColor(){
currentdate = new Date() //取得当前时间
backgroundcolor = currentdate.getSeconds() //将时间的秒数部分分离出来
if (backgroundcolor > 44) //以下几行将0到59的“秒数”限制在0到15之间
backgroundcolor = backgroundcolor - 45
else if (backgroundcolor > 29)
backgroundcolor = backgroundcolor - 30
else if (backgroundcolor > 15)
backgroundcolor = backgroundcolor - 16
if (backgroundcolor == 0 ) /*********************************/
return "olive"; /*这里的代码利用刚才得到的0到15的*/
else if (backgroundcolor == 1 ) /*“随机数”返回对应的16种颜色值 */
return "teal"; /*********************************/
else if (backgroundcolor == 2 )
return "red";
else if (backgroundcolor == 3 )
return "blue";
else if (backgroundcolor == 4 )
return "maroon";
else if (backgroundcolor == 5 )
return "navy";
else if (backgroundcolor == 6 )
return "lime";
else if (backgroundcolor == 7 )
return "fuschia";
else if (backgroundcolor == 8 )
return "green";
else if (backgroundcolor == 9 )
return "purple";
else if (backgroundcolor == 10 )
return "gray";
else if (backgroundcolor == 11 )
return "yellow";
else if (backgroundcolor == 12 )
return "aqua";
else if (backgroundcolor == 13 )
return "black";
else if (backgroundcolor == 14 )
return "white";
else if (backgroundcolor == 15 )
return "silver";
}
// -->
</script>
<a href="" onMouseOver=rndbg()><font size=2>修改背景色点这里！</font></a>
</body>
</html>