css3气泡 css3关键帧动画创建的动态通知气泡

<ul class="menu">
<li><a href="">首页</a></li>
<li><a href="">关于我们</a></li>
<li>
<a href="">
最新动态
<span class="bubble">9</span>
</a>
</li>
<li><a href="">个人中心</a></li>
</ul>

.animating{
animation: animate 1s cubic-bezier(0,1,1,0);
}
@keyframes animate{
from {
transform: scale(1);
}
to {
transform: scale(1.7);
}
}

.animating{
-webkit-animation: animate 1s cubic-bezier(0,1,1,0);
-moz-animation: animate 1s cubic-bezier(0,1,1,0);
-ms-animation: animate 1s cubic-bezier(0,1,1,0);
-o-animation: animate 1s cubic-bezier(0,1,1,0);
animation: animate 1s cubic-bezier(0,1,1,0);
}
@-webkit-keyframes animate{
from {
-webkit-transform: scale(1);
}
to {
-webkit-transform: scale(1.7);
}
}

@-moz-keyframes animate{
from {
-moz-transform: scale(1);
}
to {
-moz-transform: scale(1.7);
}
}
@-ms-keyframes animate{
from {
-ms-transform: scale(1);
}
to {
-ms-transform: scale(1.7);
}
}
@-o-keyframes animate{
from {
-o-transform: scale(1);
}
to {
-o-transform: scale(1.7);
}
}
@keyframes animate{
from {
transform: scale(1);
}
to {
transform: scale(1.7);
}
}
/ ------------------------------------------- /
body{
text-align: center;
}
.menu{
margin: 50px auto 20px;
width: 800px;
padding: 0;
list-style: none;
}
.menu {
border: 1px solid #111;
background-color: #222;
-moz-border-radius: 6px;
-webkit-border-radius: 6px;
border-radius: 6px;
-moz-box-shadow: 0 1px 1px #777, 0 1px 0 #666 inset;
-webkit-box-shadow: 0 1px 1px #777, 0 1px 0 #666 inset;
box-shadow: 0 1px 1px #777, 0 1px 0 #666 inset;
}
.menu:before,
.menu:after {
content: "";
display: table;
}
.menu:after {
clear: both;
}
.menu {
zoom:1;
}
.menu li {
float: left;
position: relative;
border-right: 1px solid #222;
-moz-box-shadow: 1px 0 0 #444;
-webkit-box-shadow: 1px 0 0 #444;
box-shadow: 1px 0 0 #444;
}
.menu a {
float: left;
padding: 12px 30px;
color: #bbb;
text-transform: uppercase;
font: bold 12px Arial, Helvetica;
text-decoration: none;
}
.menu a:hover {
color: #fafafa;
}
.menu li:first-child a
{
-moz-border-radius: 5px 0 0 5px;
-webkit-border-radius: 5px 0 0 5px;
border-radius: 5px 0 0 5px;
}
.menu .bubble
{
background: #e02424;
position: absolute;
right: 5px;
: -5px;
padding: 2px 6px;
color: #fff;
font: bold .9em Tahoma, Arial, Helvetica;
-moz-border-radius: 3px;
-webkit-border-radius: 3px;
border-radius: 3px;
}
/ Demo page only /
#about{
color: #999;
text-align: center;
font: 0.9em Arial, Helvetica;
margin: 50px 0;
}
#about a{
color: #777;
}

var counterValue = parseInt($('.bubble').html()); // 获取当前变化的值
function removeAnimation(){
setTimeout(function() {
$('.bubble').removeClass('animating')
}, 1000);
}
$('#decrease').on('click',function(){
counterValue--; // 递增
$('.bubble').html(counterValue).addClass('animating'); // 动态变化的动画
removeAnimation(); // 删除css类的动画
})
$('#increase').on('click',function(){
counterValue++; // 递减
$('.bubble').html(counterValue).addClass('animating'); // 动态变化的动画
removeAnimation(); // 删除css类动画