JavaScript8：实战案例
栏目: JavaScript · 发布时间: 5年前
内容简介：版权声明：本文为博主尹成联系QQ77025077,微信18510341407原创文章，欢迎转载侵权不究。 https://blog.csdn.net/yincheng01/article/details/84066766
版权声明：本文为博主尹成联系QQ77025077,微信18510341407原创文章，欢迎转载侵权不究。 https://blog.csdn.net/yincheng01/article/details/84066766
#1.for循环图片的应用
在页面上显示一个矩形，鼠标在这个矩形的某个地方划过，则在该位置以矩形的形式显示图片的一部分。
效果图：
鼠标滑过之后：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>for循环图片应用</title>
<style type="text/css">
body{margin:0;padding:0;background:#ccc;text-align:center;}
#content{width:510px;height:510px;background:#ddd;margin:20px auto auto 15px;position: relative;z-index:2;}
p{font-size:18px;}
ul{list-style:none}
li{width:50px;height:50px;background:#ccc;position: absolute;left:0;top:0;opacity:0;filter:alpha(opacity:0);}
</style>
<script type="text/javascript">
window.onload=function()
{
var str="";
var j=0;
var oDiv=document.getElementById("content");
var oUl=oDiv.getElementsByTagName('ul')[0];
var aLi=oUl.getElementsByTagName('li');
for(var i=0;i<100;i++)
{
str+="<li></li>";
}
oUl.innerHTML=str;
for(var i=0;i<aLi.length;i++)
{ aLi[i].iNow=i;
aLi[i].style.left=((i%10)*51)+"px";
aLi[i].style.opacity=0;
if(i%10==0)
{
++j;
}
aLi[i].style.top=((j-1)*51)+"px";
aLi[i].style.background="url(images/MM.jpg)";
aLi[i].style.backgroundPosition=(-(i%10)*51)+"px"+" "+(-(j-1)*51)+"px";
aLi[i].onmouseover=function()
{
aLi[this.iNow].style.filter='alpha(opacity:'+100+')';
aLi[this.iNow].style.opacity=1;
}
}
}
</script>
</head>
<body>
<div id="content">
<ul></ul>
</div>
<p>鼠标滑过块来查看效果->兼容浏览器:IE6-8,FireFox,Chrome,Opera,搜狗,世界之窗,傲游</p>
</body>
</html>
#2.日历
在页面上显示12个月份，鼠标在某个月份上划过，则显示该月的活动安排。
效果图：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JS简易日历</title>
<style type="text/css">
body,h1,h2,p,ul,li{margin:0;padding:0;}
body{font-size:12px;text-align:center;font-family:"幼圆";background:#31322C;}
h1,h2{font-weight:normal;}
em{font-style:normal;}
ul{list-style-type:none;}
/*动画部分*/
@-webkit-keyframes changeShadow{
0%{
-webkit-box-shadow:0 0 0 #000;
}
25%{
-webkit-box-shadow:0 0 10px #282828;
}
50%{
-webkit-box-shadow:0 0 15px #5D5D5D;
}
100%{
-webkit-box-shadow:0 0 22px #FFF;
}
}
#calender{
width:240px;
height:453px;
background-image:-webkit-linear-gradient(0deg,#EFF3A3,#F0F0EE);
background-image:-moz-linear-gradient(0deg,#EFF3A3,#F0F0EE);
-webkit-box-shadow:0 0 20px #FFF;
-webkit-animation:changeShadow 1s ease-in infinite alternate;
-moz-box-shadow:0 0 20px #FFFF;
box-shadow:0 0 20px #FFF;
margin:20px auto 0 auto;
}
#calender h1{
padding:5px 0;
font-size:16px;
font-weight:bold;
}
#calender em{
color:#f00;
}
#calender li{
float: left;
width:60px;
height:60px;
margin:10px;
_display:inline;
font-size:16px;
-webkit-box-sizing:border-box;
-moz-box-sizing:border-box;
-webkit-transition:background .5s,color .5s ;
color:#fff;
cursor:pointer;
line-height:30px;
background:#1E1E1A;
}
#activity_content{
clear:both;
width:210px;
height:80px;
margin:0 10px;
padding:12px 0 0 10px;
background:#636556;
}
#activity_content h2{
text-align:left;
font-size:18px;
font-weight:bold;
}
.active{
border:2px solid #F90000;
color:#f00!important;
background:#fff!important;
font-weight:bold;
}
</style>
<script>
window.onload=function(){
var oDiv1=document.getElementById("calender");
var aLi=oDiv1.getElementsByTagName('li');
var oDiv2=document.getElementById("activity_content");
var arrText=["和朋友出去打篮球","和朋友出去唱K",
"和朋友出去逛街","庆祝项目酒会",
"在家歇着","在家看电影",
"去网吧打游戏","和朋友去台球馆打台球",
"和朋友去爬山","参加前端面试",
"在家歇着","出去旅游"
]
for(var i=0;i<aLi.length;i++)
{
aLi[i].iNow=i;
aLi[i].onmouseover=function()
{
for(var i=0;i<aLi.length;i++)
{
aLi[i].className="";
}
aLi[this.iNow].className="active";
oDiv2.innerHTML="<h2>"+(1+this.iNow)+"月活动"+"</h2><br/><strong style='color:#ff0'>"+arrText[this.iNow]+"</strong>"
}
}
}
</script>
</head>
<body>
<div id="calender">
<h1><em>★</em> 活动计划 <em>★</em></h1>
<ul>
<li><h2>1</h2><span>JAN</span></li>
<li><h2>2</h2><span>FEB</span></li>
<li><h2>3</h2><span>MAR</span></li>
<li><h2>4</h2><span>APR</span></li>
<li><h2>5</h2><span>MAY</span></li>
<li><h2>6</h2><span>JUN</span></li>
<li><h2>7</h2><span>JUL</span></li>
<li><h2>8</h2><span>AUG</span></li>
<li><h2>9</h2><span>SEP</span></li>
<li><h2>10</h2><span>OCT</span></li>
<li><h2>11</h2><span>NOV</span></li>
<li><h2>12</h2><span>DEC</span></li>
</ul>
<div id="activity_content"></div>
</div>
</body>
</html>
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