JS实现图片高斯模糊切换效果的焦点图实例

焦点图相信对大家来说都不陌生，本文给大家分享的是一种图片高斯模糊切换效果的焦点图，下面话不多说了，来看看实现的效果图和实例代码吧。

效果图

实例代码

@-webkit-keyframes show
{
	0%{
		opacity:1;
		-webkit-transform:scale(1);
	}
	100%
	{
		opacity:.1;
		-webkit-transform:scale(3);
	}
}
body{ background:#e8d0ca;}
#wrap{width:600px; margin:100px auto;border:2px solid #000; position:relative;}
#list{ position:relative; height:310px;margin:0;padding:0; list-style:none;}
#list li{ width:281px;height:310px; background:url(http://cdn.attach.qdfuns.com/notes/pics/201701/17/113914zaxalfffaylelyxd.png) no-repeat; position:absolute;top:0; transition:.6s;}
#list span{ width:100%;height:100%; display:block;transition:.6s;}
#list li:nth-of-type(1){ left:0;z-index:1; -webkit-transform:scale(0.8);opacity:0.6;}
#list li:nth-of-type(1) span{ background:url(http://cdn.attach.qdfuns.com/notes/pics/201701/17/113914zfkmqfb0zzummnhy.png); opacity:1;}
#list li:nth-of-type(2){ left:calc(50% - 140px);background-image:url(http://cdn.attach.qdfuns.com/notes/pics/201701/17/113913nvvkf5pf4f77x55k.png);z-index:2; opacity:1;}
#list li:nth-of-type(2) span{ background:url(http://cdn.attach.qdfuns.com/notes/pics/201701/17/113914cx8x8z8ldfgckpmf.png); opacity:0;}
#list li:nth-of-type(3){ left:calc(100% - 281px);background-image:url(http://cdn.attach.qdfuns.com/notes/pics/201701/17/113914zhou55z6tlru25lu.png);z-index:1;-webkit-transform:scale(0.8); opacity:0.6;}
#list li:nth-of-type(3) span{ background:url(http://cdn.attach.qdfuns.com/notes/pics/201701/17/113914sofg7wja0c0cowjv.png); opacity:1;}
.btn{width:18px;height:29px; position:absolute;top:130px;z-index:10; cursor:pointer;}
.btn span{ position:absolute;left:0;top:0; background:inherit; width:100%;height:100%; transition:.5s;}
.btn:hover span:nth-of-type(1){-webkit-animation:show 2s infinite; }
.btn:hover span:nth-of-type(2){-webkit-animation:show 2s 1s infinite; }
#prev{ left:80px; background:url(http://cdn.attach.qdfuns.com/notes/pics/201701/17/113915d96e0acuyjccybcb.png) no-repeat;}
#next{ right:80px; background:url(http://cdn.attach.qdfuns.com/notes/pics/201701/17/113915kfhwnrawaeaibf6a.png) no-repeat;}