情人节之礼 js项链效果

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我是靠谱客的博主寂寞水壶，最近开发中收集的这篇文章主要介绍情人节之礼 js项链效果，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

第一个项链
实现原理将img的src属性设为同一张图片
效果图：

复制代码代码如下:

 
<!DOCTYPE html> 
<html> 
<head> 
<title>项链</title> 
<style type="text/css"> 
*{margin: 0px;padding: 0px;} 
.cont{width: 1100px;overflow: hidden;margin: 0 auto;} 
.div1, .div7{width: 50px;height: 50px;border: 1px solid red;float: left;overflow: hidden;border-radius: 50px;} 
.div1 img, .div7 img{width: 50px;height: 50px;} 
.div2, .div6{width: 100px;height: 100px;border: 1px solid red;float: left;overflow: hidden;border-radius: 100px;} 
.div2 img, .div6 img{width: 100px;height: 100px;} 
.div3, .div5{width: 200px;height: 200px;border: 1px solid red;float: left;overflow: hidden;border-radius: 200px;} 
.div3 img, .div5 img{width: 200px;height: 200px;} 
.div4{width: 300px;height: 300px;border: 1px solid red;float: left;overflow: hidden;border-radius: 300px;} 
.div4 img{width: 300px;height: 300px;} 
</style> 
<script type="text/javascript"> 
window.onload = function () { 
var link = document.getElementById("link"); 
linkDiv = link.getElementsByTagName("div"); 
var i = 1; 
setInterval(function () { 
if (i == 7) { 
i = 1; 
for (var j = 0; j < 7; j++) { 
linkDiv[j].getElementsByTagName("img")[0].src = "http://images.cnblogs.com/cnblogs_com/kuikui/354173/t_test" + i + ".jpg"; 
} 
i++; 
} 
else { 
for (var j = 0; j < 7; j++) { 
linkDiv[j].getElementsByTagName("img")[0].src = "http://images.cnblogs.com/cnblogs_com/kuikui/354173/t_test" + i + ".jpg"; 
} 
i++; 
} 
}, 1000); 
} 
</script> 
</head> 
<body> 
<div id="link" class="cont"> 
<div class="div1"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126435.jpg" /> 
</div> 
<div class="div2"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126464.jpg" /> 
</div> 
<div class="div3"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126342.jpg" /> 
</div> 
<div class="div4"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126709.jpg" /> 
</div> 
<div class="div5"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126717.jpg" /> 
</div> 
<div class="div6"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126170.jpg" /> 
</div> 
<div class="div7"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233127469.jpg" /> 
</div> 
</div> 
</body> 
</html> 

第二个项链
实现原理将img的src属性循环设置图片
效果图：

复制代码代码如下:

 
<!DOCTYPE html> 
<html> 
<head> 
<title>项链</title> 
<style type="text/css"> 
*{margin: 0px;padding: 0px;} 
.cont{width: 1100px;overflow: hidden;margin: 0 auto;} 
.div1, .div7{width: 50px;height: 50px;border: 1px solid red;float: left;overflow: hidden;border-radius: 50px;} 
.div1 img, .div7 img{width: 50px;height: 50px;} 
.div2, .div6{width: 100px;height: 100px;border: 1px solid red;float: left;overflow: hidden;border-radius: 100px;} 
.div2 img, .div6 img{width: 100px;height: 100px;} 
.div3, .div5{width: 200px;height: 200px;border: 1px solid red;float: left;overflow: hidden;border-radius: 200px;} 
.div3 img, .div5 img{width: 200px;height: 200px;} 
.div4{width: 300px;height: 300px;border: 1px solid red;float: left;overflow: hidden;border-radius: 300px;} 
.div4 img{width: 300px;height: 300px;} 
</style> 
<script type="text/javascript"> 
window.onload = function () { 
var link = document.getElementById("link"); 
linkDiv = link.getElementsByTagName("div"); 
var i = 1; 
setInterval(function () { 
if (i == 7) { 
i = 1; 
for (var j = 0; j < 7; j++) { 
linkDiv[j].getElementsByTagName("img")[0].src = "http://images.cnblogs.com/cnblogs_com/kuikui/354173/t_test" + Math.abs(j - i + 2) + ".jpg"; 
} 
i++; 
} 
else { 
for (var j = 0; j < 7; j++) { 
if (i <= j + 1) { 
linkDiv[j].getElementsByTagName("img")[0].src = "http://images.cnblogs.com/cnblogs_com/kuikui/354173/t_test" + Math.abs(j - i + 2) + ".jpg"; 
} else { 
linkDiv[j].getElementsByTagName("img")[0].src = "http://images.cnblogs.com/cnblogs_com/kuikui/354173/t_test" + Math.abs(7 + j - i + 2) + ".jpg"; 
} 
} 
i++; 
} 
}, 1000); 
} 
</script> 
</head> 
<body> 
<div id="link" class="cont"> 
<div class="div1"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126435.jpg" /> 
</div> 
<div class="div2"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126464.jpg" /> 
</div> 
<div class="div3"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126342.jpg" /> 
</div> 
<div class="div4"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126709.jpg" /> 
</div> 
<div class="div5"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126717.jpg" /> 
</div> 
<div class="div6"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233126170.jpg" /> 
</div> 
<div class="div7"> 
<img alt="" src="http://files.uoften.com/upload/201202/20120213233127469.jpg" /> 
</div> 
</div> 
</body> 
</html> 

第三个项链
实现原理将div按指定轨迹移动
效果图：

复制代码代码如下:

 
<!DOCTYPE html> 
<html> 
<head> 
<title>项链</title> 
<style type="text/css"> 
.div1{width: 100px;height: 100px;border: 1px solid red;overflow: hidden;border-radius: 300px;background: url(/upload/201202/20120213233126435.jpg) center center;position: absolute;} 
.div2{width: 100px;height: 100px;border: 1px solid red;overflow: hidden;border-radius: 300px;background: url(/upload/201202/20120213233126464.jpg) center center;position: absolute;} 
.div3{width: 100px;height: 100px;border: 1px solid red;overflow: hidden;border-radius: 300px;background: url(/upload/201202/20120213233126342.jpg) center center;position: absolute;} 
.div4{width: 100px;height: 100px;border: 1px solid red;overflow: hidden;border-radius: 300px;background: url(/upload/201202/20120213233126709.jpg) center center;position: absolute;} 
.div5{width: 100px;height: 100px;border: 1px solid red;overflow: hidden;border-radius: 300px;background: url(/upload/201202/20120213233126717.jpg) center center;position: absolute;} 
.div6{width: 100px;height: 100px;border: 1px solid red;overflow: hidden;border-radius: 300px;background: url(/upload/201202/20120213233126170.jpg) center center;position: absolute;} 
.div7{width: 100px;height: 100px;border: 1px solid red;overflow: hidden;border-radius: 300px;background: url(/upload/201202/20120213233127469.jpg) center center;position: absolute;} 
.love{width: 300px;height: 300px;border: 1px solid red;overflow: hidden;border-radius: 50px 300px 300px 300px ;background: url(/upload/201202/20120213233126435.jpg) center center;position: absolute;} 
</style> 
<script type="text/javascript"> 
var doc = [document.documentElement.clientWidth, document.documentElement.clientHeiht]; 
function R(obj, j, r) { 
obj = document.getElementById(obj); 
var tmp = j; 
if (tmp > 90) tmp = Math.abs(tmp - 180); 
var objW = obj.clientWidth; 
var objH = obj.clientHeight; 
setInterval(function () { 
if (j == 180) { 
j = 0; 
obj.style.left = doc[0] / 2 - obj.clientWidth / 2 + r * Math.cos(j * 2 * Math.PI / 360) + "px"; 
obj.style.top = r * Math.sin(j * 2 * Math.PI / 360) + "px"; 
j++; 
} 
else { 
if (j <= 90) { 
obj.style.left = doc[0] / 2 - obj.clientWidth / 2 + r * Math.cos(j * 2 * Math.PI / 360) + "px"; 
obj.style.top = r * Math.sin(j * 2 * Math.PI / 360) + "px"; 
} 
else if (j > 90 && j < 180) { 
obj.style.left = doc[0] / 2 - obj.clientWidth / 2 + r * Math.cos(j * 2 * Math.PI / 360) + "px"; 
obj.style.top = r * Math.sin(j * 2 * Math.PI / 360) + "px"; 
} 
j++; 
} 
}, 60); 
} 
window.onload = function () { 
R("t1", 15, 300); 
R("t2", 40, 300); 
R("t3", 65, 300); 
R("t4", 90, 300); 
R("t5", 115, 300); 
R("t6", 140, 300); 
R("t7", 165, 300); 
var love = document.getElementById("love"); 
love.style.left = document.documentElement.clientWidth / 2 - love.clientWidth / 2 + "px"; 
var i = 1; 
setInterval(function () { 
if (i == 7) { 
i = 1; 
love.style.background = "url(http://images.cnblogs.com/cnblogs_com/kuikui/354173/t_test" + i + ".jpg)"; 
i++; 
} 
else { 
love.style.background = "url(http://images.cnblogs.com/cnblogs_com/kuikui/354173/t_test" + i + ".jpg)"; 
i++; 
} 
}, 1000); 
} 
</script> 
</head> 
<body> 
<div id="love" class="love"> 
</div> 
<div id="t1" class="div1"> 
</div> 
<div id="t2" class="div2"> 
</div> 
<div id="t3" class="div3"> 
</div> 
<div id="t4" class="div4"> 
</div> 
<div id="t5" class="div5"> 
</div> 
<div id="t6" class="div6"> 
</div> 
<div id="t7" class="div7"> 
</div> 
</body> 
</html> 