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tab特效 Materila Design水波纹

tab特效 Materila Design水波纹

tab特效,切换tab有水波纹效果

<!DOCTYPE html>
<html>
<head>
<title>tab特效 Materila Design水波纹</title>
<style>
ul {
	font-size: 0;
	position: relative;
	padding: 0;
	width: 480px;
	margin: 40px auto;
	user-select: none;
}
li {
	display: inline-block;
	width: 160px;
	height: 60px;
	background: #E95546;
	font-size: 16px;
	text-align: center;
	line-height: 60px;
	color: #fff;
	text-transform: uppercase;
	position: relative;
	overflow: hidden;
	cursor: pointer;
}
.slider {
	display: block;
	position: absolute;
	bottom: 0;
	left: 0;
	height: 4px;
	background: #4FC2E5;
	transition: all 0.5s;
}
.ripple {
	width: 0;
	height: 0;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.4);
	-webkit-transform: scale(0);
	-ms-transform: scale(0);
	transform: scale(0);
	position: absolute;
	opacity: 1;
}
.rippleEffect {
 -webkit-animation: rippleDrop .4s linear;
 animation: rippleDrop .4s linear;
}
 @-webkit-keyframes rippleDrop {
100% {
 -webkit-transform: scale(2);
 transform: scale(2);
 opacity: 0;
}
}
@keyframes rippleDrop {
100% {
 -webkit-transform: scale(2);
 transform: scale(2);
 opacity: 0;
}
}
</style>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head>
<body>
<ul>
  <li>Tab One</li>
  <li>Tab Two</li>
  <li>Tab Three</li>
  <li class="slider"></li>
</ul>
</body>
<script type="text/javascript" src="http://www.cssteach.com/statics/js/jquery.min.js"></script>
<script>
$("ul li").click(function(e) { 
  if ($(this).hasClass('slider')) {
    return;
  }
  var whatTab = $(this).index();
  var howFar = 160 * whatTab;
  $(".slider").css({
    left: howFar + "px"
  });
  $(".ripple").remove();
 
  var posX = $(this).offset().left,
      posY = $(this).offset().top,
      buttonWidth = $(this).width(),
      buttonHeight = $(this).height();
 
  $(this).prepend("<span class='ripple'></span>");
 
  if (buttonWidth >= buttonHeight) {
    buttonHeight = buttonWidth;
  } else {
    buttonWidth = buttonHeight;
  } 
  var x = e.pageX - posX - buttonWidth / 2;
  var y = e.pageY - posY - buttonHeight / 2; 
  $(".ripple").css({
    width: buttonWidth,
    height: buttonHeight,
    top: y + 'px',
    left: x + 'px'
  }).addClass("rippleEffect");   
});               
</script>
</html>


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原文http://cssteach.com/html/show-13-122.html

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