jQuery实现的返回顶部代码(三)

2014-05-01 08:51:50 -0400

此代码仅供参考

代码说明

使用jQuery实现的效果是：当页面初次载入，浏览器滚动条处于最顶部的时候，跳转链接处于隐藏状态。当滚动条向下滚动后，跳转链接逐渐显出，当点击跳转链接后，页面逐渐滚动至顶部，跳转链接逐渐消失。

html代码

<style type="text/css">
.to-top {
	width: 35px;
	height: 35px;
	position: absolute;
	bottom: 10px;
	z-index: 3;
	border-radius: 50%;
	background: #27ae61;
	color: #fff;
	opacity: 0;
	cursor: pointer;
	left: 272px;
	text-align: center;
	transition: all .3s ease-out;
	-webkit-transition: all .3s ease-out;
	-moz-transition: all .3s ease-out;
	-o-transition: all .3s ease-out;
}
.to-top:hover {
	background:#e84c3d;
	-webkit-animation:btn-pudding 1s linear;
	-moz-animation:btn-pudding 1s linear;
	animation:btn-pudding 1s linear;
	transition: all .3s ease-out;
	-webkit-transition: all .3s ease-out;
	-moz-transition: all .3s ease-out;
	-o-transition: all .3s ease-out;
}
@-webkit-keyframes btn-pudding{0%{-webkit-transform:scale(1.2,0.8)}1%{-webkit-transform:scale(1.18,0.82)}2%{-webkit-transform:scale(1.16,0.84)}3%{-webkit-transform:scale(1.13,0.87)}4%{-webkit-transform:scale(1.1,0.9)}5%{-webkit-transform:scale(1.07,0.93)}6%{-webkit-transform:scale(1.04,0.96)}7%{-webkit-transform:scale(1.01,0.99)}8%{-webkit-transform:scale(0.99,1.01)}9%{-webkit-transform:scale(0.97,1.03)}10%{-webkit-transform:scale(0.95,1.05)}11%{-webkit-transform:scale(0.94,1.06)}12%{-webkit-transform:scale(0.93,1.07)}13%{-webkit-transform:scale(0.93,1.07)}14%{-webkit-transform:scale(0.93,1.07)}15%{-webkit-transform:scale(0.93,1.07)}16%{-webkit-transform:scale(0.94,1.06)}17%{-webkit-transform:scale(0.94,1.06)}18%{-webkit-transform:scale(0.95,1.05)}19%{-webkit-transform:scale(0.96,1.04)}20%{-webkit-transform:scale(0.98,1.02)}21%{-webkit-transform:scale(0.99,1.01)}22%{-webkit-transform:scale(1,1)}23%{-webkit-transform:scale(1,1)}24%{-webkit-transform:scale(1.01,0.99)}25%{-webkit-transform:scale(1.02,0.98)}26%{-webkit-transform:scale(1.02,0.98)}27%{-webkit-transform:scale(1.02,0.98)}28%{-webkit-transform:scale(1.03,0.97)}29%{-webkit-transform:scale(1.03,0.97)}30%{-webkit-transform:scale(1.02,0.98)}31%{-webkit-transform:scale(1.02,0.98)}32%{-webkit-transform:scale(1.02,0.98)}33%{-webkit-transform:scale(1.02,0.98)}34%{-webkit-transform:scale(1.01,0.99)}35%{-webkit-transform:scale(1.01,0.99)}36%{-webkit-transform:scale(1.01,0.99)}37%{-webkit-transform:scale(1,1)}38%{-webkit-transform:scale(1,1)}39%{-webkit-transform:scale(1,1)}40%{-webkit-transform:scale(0.99,1.01)}41%{-webkit-transform:scale(0.99,1.01)}42%{-webkit-transform:scale(0.99,1.01)}43%{-webkit-transform:scale(0.99,1.01)}44%{-webkit-transform:scale(0.99,1.01)}45%{-webkit-transform:scale(0.99,1.01)}46%{-webkit-transform:scale(0.99,1.01)}47%{-webkit-transform:scale(0.99,1.01)}48%{-webkit-transform:scale(0.99,1.01)}49%{-webkit-transform:scale(1,1)}}@-moz-keyframes preload3{0%{-webkit-transform:translateY(80px);opacity:0}100%{-webkit-transform:translateY(0px);opacity:1}}
@keyframes btn-pudding{0%{transform:scale(1.2,0.8)}1%{transform:scale(1.18,0.82)}2%{transform:scale(1.16,0.84)}3%{transform:scale(1.13,0.87)}4%{transform:scale(1.1,0.9)}5%{transform:scale(1.07,0.93)}6%{transform:scale(1.04,0.96)}7%{transform:scale(1.01,0.99)}8%{transform:scale(0.99,1.01)}9%{transform:scale(0.97,1.03)}10%{transform:scale(0.95,1.05)}11%{transform:scale(0.94,1.06)}12%{transform:scale(0.93,1.07)}13%{transform:scale(0.93,1.07)}14%{transform:scale(0.93,1.07)}15%{transform:scale(0.93,1.07)}16%{transform:scale(0.94,1.06)}17%{transform:scale(0.94,1.06)}18%{transform:scale(0.95,1.05)}19%{transform:scale(0.96,1.04)}20%{transform:scale(0.98,1.02)}21%{transform:scale(0.99,1.01)}22%{transform:scale(1,1)}23%{transform:scale(1,1)}24%{transform:scale(1.01,0.99)}25%{transform:scale(1.02,0.98)}26%{transform:scale(1.02,0.98)}27%{transform:scale(1.02,0.98)}28%{transform:scale(1.03,0.97)}29%{transform:scale(1.03,0.97)}30%{transform:scale(1.02,0.98)}31%{transform:scale(1.02,0.98)}32%{transform:scale(1.02,0.98)}33%{transform:scale(1.02,0.98)}34%{transform:scale(1.01,0.99)}35%{transform:scale(1.01,0.99)}36%{transform:scale(1.01,0.99)}37%{transform:scale(1,1)}38%{transform:scale(1,1)}39%{transform:scale(1,1)}40%{transform:scale(0.99,1.01)}41%{transform:scale(0.99,1.01)}42%{transform:scale(0.99,1.01)}43%{transform:scale(0.99,1.01)}44%{transform:scale(0.99,1.01)}45%{transform:scale(0.99,1.01)}46%{transform:scale(0.99,1.01)}47%{transform:scale(0.99,1.01)}48%{transform:scale(0.99,1.01)}49%{transform:scale(1,1)}}
@-moz-keyframes btn-pudding{0%{-moz-transform:scale(1.2,0.8)}1%{-moz-transform:scale(1.18,0.82)}2%{-moz-transform:scale(1.16,0.84)}3%{-moz-transform:scale(1.13,0.87)}4%{-moz-transform:scale(1.1,0.9)}5%{-moz-transform:scale(1.07,0.93)}6%{-moz-transform:scale(1.04,0.96)}7%{-moz-transform:scale(1.01,0.99)}8%{-moz-transform:scale(0.99,1.01)}9%{-moz-transform:scale(0.97,1.03)}10%{-moz-transform:scale(0.95,1.05)}11%{-moz-transform:scale(0.94,1.06)}12%{-moz-transform:scale(0.93,1.07)}13%{-moz-transform:scale(0.93,1.07)}14%{-moz-transform:scale(0.93,1.07)}15%{-moz-transform:scale(0.93,1.07)}16%{-moz-transform:scale(0.94,1.06)}17%{-moz-transform:scale(0.94,1.06)}18%{-moz-transform:scale(0.95,1.05)}19%{-moz-transform:scale(0.96,1.04)}20%{-moz-transform:scale(0.98,1.02)}21%{-moz-transform:scale(0.99,1.01)}22%{-moz-transform:scale(1,1)}23%{-moz-transform:scale(1,1)}24%{-moz-transform:scale(1.01,0.99)}25%{-moz-transform:scale(1.02,0.98)}26%{-moz-transform:scale(1.02,0.98)}27%{-moz-transform:scale(1.02,0.98)}28%{-moz-transform:scale(1.03,0.97)}29%{-moz-transform:scale(1.03,0.97)}30%{-moz-transform:scale(1.02,0.98)}31%{-moz-transform:scale(1.02,0.98)}32%{-moz-transform:scale(1.02,0.98)}33%{-moz-transform:scale(1.02,0.98)}34%{-moz-transform:scale(1.01,0.99)}35%{-moz-transform:scale(1.01,0.99)}36%{-moz-transform:scale(1.01,0.99)}37%{-moz-transform:scale(1,1)}38%{-moz-transform:scale(1,1)}39%{-moz-transform:scale(1,1)}40%{-moz-transform:scale(0.99,1.01)}41%{-moz-transform:scale(0.99,1.01)}42%{-moz-transform:scale(0.99,1.01)}43%{-moz-transform:scale(0.99,1.01)}44%{-moz-transform:scale(0.99,1.01)}45%{-moz-transform:scale(0.99,1.01)}46%{-moz-transform:scale(0.99,1.01)}47%{-moz-transform:scale(0.99,1.01)}48%{-moz-transform:scale(0.99,1.01)}49%{-moz-transform:scale(1,1)}}
.to-top i {
	font-size: 24px;
	line-height: 35px;
	position: relative;
	z-index: 2;
}
.topbtnshow {
	bottom: 30px !important;
	opacity: 1 !important;
}
.topbtnhide {
	bottom: 10px !important;
	opacity: 0 !important;
	cursor: default;
}
.topbtnfadein {
	
	animation: topbtnfadein .5s ease-out;
	-webkit-animation: topbtnfadein .5s ease-out;
	-moz-animation: topbtnfadein .5s ease-out;
}
.topbtnfadeout {
	
	animation: topbtnfadeout .5s ease-out;
	-webkit-animation: topbtnfadeout .5s ease-out;
	-moz-animation: topbtnfadeout .5s ease-out;
}
@keyframes topbtnfadeout {
	from {
		bottom: 30px;
		opacity: 1;
	}
	to {
		bottom: 10px;
		opacity: 0;
	}
}
@-webkit-keyframes topbtnfadeout {
	from {
		bottom: 30px;
		opacity: 1;
	}
	to {
		bottom: 10px;
		opacity: 0;
	}
}
@-moz-keyframes topbtnfadeout {
	from {
		bottom: 30px;
		opacity: 1;
	}
	to {
		bottom: 10px;
		opacity: 0;
		display: none;
	}
}
@keyframes topbtnfadein {
	from {
		bottom: 10px;
		opacity: 0;
	}
	to {
		bottom: 30px;
		opacity: 1;
	}
}
@-webkit-keyframes topbtnfadein {
	from {
		bottom: 10px;
		opacity: 0;
	}
	to {
		bottom: 30px;
		opacity: 1;
	}
}
@-moz-keyframes topbtnfadein {
	from {
		bottom: 10px;
		opacity: 0;
	}
	to {
		bottom: 30px;
		opacity: 1;
	}
}
.to-top {
	left: 10px;
	position: fixed;
}
.fa {
	display: inline-block;
	font-family: FontAwesome;
	font-style: normal;
	font-weight: normal;
	line-height: 1;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}
.fa-angle-up:before {
	content: "\f106"
}
</style>

<div class="to-top"><i class="fa fa-angle-up"></i></div>

<script src="/scripts/highlight.pack.js"></script>
<script src="/script/common.js" type="text/javascript"></script>

<script src="/scripts/custom.js?ver=1.0"></script>

代码演示

highlight.pack.js (18.33 KiB) | Read | Meta | +

common.js (98.3 KiB) | Read | Meta | +

custom.js (6.13 KiB) | Read | Meta | +

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