Javascript脚本特效示例:[16]按钮驱动背景
1、在桌机上新建文本文档,命名为晓博JavaScript特效测试.txt,在文本文档里中入HTML文档的基本元素如下,并保存。
<html>
<head>
<title>晓博JavaScript特效测试</title>
</head>
<body>
<div id="zy">
<div id="login"></div>
<div id="daohang">
<ul>
<li><a href="index.html">首页</a></li>
<li><a href="jianjie.html">七夕简介</a></li>
<li><a href="#">七夕节传说</a></li>
<li><a href="#">七夕节习俗</a></li>
<li><a href="#">诗词& 歌谣</a></li>
<li><a href="#">七夕节寄语</a></li>
</ul>
</div>
</div>
</body>
</html>
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/a99a494afa32939cad6ddf065719ce2c5a1b1532.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/92dd32f7dfb2dc194ab65baf95def4dca1391032.jpg)
2、第一步:把如下代码加入<head>区域中
<script language="Javascript">
<!--
function backcolor(form){
temp = ""
for (var i = 0; i < 16; i++) {
temp = form.color[i].value
if (form.color[i].checked){ document.bgColor = temp }
}
}
function randombackground(){
document.bgColor = getColor()
}
function getColor(){
currentdate = new Date()
backgroundcolor = currentdate.getSeconds()
if (backgroundcolor > 44)
backgroundcolor = backgroundcolor - 45
else if (backgroundcolor > 29)
backgroundcolor = backgroundcolor - 30
else if (backgroundcolor > 15)
backgroundcolor = backgroundcolor - 16
if (backgroundcolor == 0 )
return "olive";
else if (backgroundcolor == 1 )
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>
3、第二步:把如下代码加入<body>区域中
<FORM>
<input type="button" value="晓博变换背景" onClick="randombackground()">
</form>
4、用IE浏览器打开晓博JavaScript特效测试.html文件,可以看到按钮驱动背景特效,如下图
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/dd58d02c5b1b1ede7346a08d981fceecd2d90f32.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/a1780d1fceecd3d9e5eff2706799594305010832.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/edd84743040148fe8cd85ddf8fd149299b880232.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/059057299a883913707fec5a26bcbe2f46707c32.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/acfda02f477046184140e48fb08602214e577632.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/3ac71c214f579356f721f894effb960b30217032.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/65ba880b31210561ae39555d08aee8d7582a6a32.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/586bfdefe07814316d2c32d8dc6699cf03536232.jpg)
![Javascript脚本特效示例:[16]按钮驱动背景](https://exp-picture.cdn.bcebos.com/031231632385e036580b475cb8e039723c035a32.jpg)