<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
#box{
position: absolute;
top: 100px;
left: 300px;
}
#box a{
font-size: 30px;
font-family: "微软雅黑";
color: #ccc;
text-decoration: none;
}
#box span{
top: -22px;
left: 0;
color: red;
font-size: 20px;
font-family: "微软雅黑";
position: absolute;
}
#box #click{
height: 40px;
30px;
position: absolute;
top: 0;
left: 0;
cursor: pointer;
}
</style>
</head>
<body>
<div id="box">
<a>赞</a>
<div id="click"></div>
</div>
<script src="js/cookie.js" type="text/javascript" charset="utf-8"></script>
<script src="js/move.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
function Zan(){
this.oBox=document.getElementById("box");
this.oA=document.getElementsByTagName('a');
this.oClick=document.getElementById("click");
this.num=0;
this.oSpan=null;
}
Zan.prototype.click=function(){
var This=this;
this.oClick.onclick=function(){
This.num=This.getcookie('name');
This.num++;
This.oSpan=document.createElement('span');
This.oSpan.innerHTML='+'+This.num;
This.oBox.appendChild(This.oSpan);
This.oSpan.move({'opacity':0,'top':-30},300,function(){
This.oBox.removeChild(this);
});
this.setcookie('name',This.num,10);
}
}
var zan=new Zan();
zan.click();
</script>
</body>
</html>
move.js
Object.prototype.move = function( mJson , time , cv , fn ){
if ( typeof cv == 'undefined' )
{
time = time || 400;
cv = 'linear';
}
if ( typeof time == 'string' )
{
fn = cv;
cv = time;
time = 400;
}else if ( typeof time == 'number' && typeof cv == 'function' )
{
fn = cv;
cv = 'linear';
}else if ( typeof time == 'function' )
{
fn = time;
time = 400;
cv = 'linear';
}
var This = this;
var iB = {};
var startTime = (new Date()).getTime();
for ( var attr in mJson )
{
if( attr == 'opacity' ){
iB[attr] = parseInt( this.getStyle(this , attr)*100 );
}else{
iB[attr] = parseInt( this.getStyle(this , attr) );
}
};
clearInterval( this.timer );
this.timer = setInterval(function(){
var nowTime = (new Date()).getTime();
var it = nowTime - startTime;
if( it >= time ){
it = time;
}
for ( var attr in mJson )
{
var value = Tween[cv]( it , iB[attr] , parseInt( mJson[attr] ) - iB[attr] , time );
if(attr == 'opacity'){
This.style.filter = 'alpha( opacity='+value+' )';
This.style.opacity = value / 100;
}else{
This.style[attr] = value + 'px';
}
}
if ( it == time )
{
clearInterval( This.timer );
fn && fn.call(This);
}
},13);
var Tween = {
linear: function (t, b, c, d){ //匀速
return c*t/d + b;
},
easeIn: function(t, b, c, d){ //加速曲线
return c*(t/=d)*t + b;
},
easeOut: function(t, b, c, d){ //减速曲线
return -c *(t/=d)*(t-2) + b;
},
easeBoth: function(t, b, c, d){ //加速减速曲线
if ((t/=d/2) < 1) {
return c/2*t*t + b;
}
return -c/2 * ((--t)*(t-2) - 1) + b;
},
easeInStrong: function(t, b, c, d){ //加加速曲线
return c*(t/=d)*t*t*t + b;
},
easeOutStrong: function(t, b, c, d){ //减减速曲线
return -c * ((t=t/d-1)*t*t*t - 1) + b;
},
easeBothStrong: function(t, b, c, d){ //加加速减减速曲线
if ((t/=d/2) < 1) {
return c/2*t*t*t*t + b;
}
return -c/2 * ((t-=2)*t*t*t - 2) + b;
},
elasticIn: function(t, b, c, d, a, p){ //正弦衰减曲线（弹动渐入）
if (t === 0) {
return b;
}
if ( (t /= d) == 1 ) {
return b+c;
}
if (!p) {
p=d*0.3;
}
if (!a || a < Math.abs(c)) {
a = c;
var s = p/4;
} else {
var s = p/(2*Math.PI) * Math.asin (c/a);
}
return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
},
elasticOut: function(t, b, c, d, a, p){ //正弦增强曲线（弹动渐出）
if (t === 0) {
return b;
}
if ( (t /= d) == 1 ) {
return b+c;
}
if (!p) {
p=d*0.3;
}
if (!a || a < Math.abs(c)) {
a = c;
var s = p / 4;
} else {
var s = p/(2*Math.PI) * Math.asin (c/a);
}
return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
},
elasticBoth: function(t, b, c, d, a, p){
if (t === 0) {
return b;
}
if ( (t /= d/2) == 2 ) {
return b+c;
}
if (!p) {
p = d*(0.3*1.5);
}
if ( !a || a < Math.abs(c) ) {
a = c;
var s = p/4;
}
else {
var s = p/(2*Math.PI) * Math.asin (c/a);
}
if (t < 1) {
return - 0.5*(a*Math.pow(2,10*(t-=1)) *
Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
}
return a*Math.pow(2,-10*(t-=1)) *
Math.sin( (t*d-s)*(2*Math.PI)/p )*0.5 + c + b;
},
backIn: function(t, b, c, d, s){ //回退加速（回退渐入）
if (typeof s == 'undefined') {
s = 1.70158;
}
return c*(t/=d)*t*((s+1)*t - s) + b;
},
backOut: function(t, b, c, d, s){
if (typeof s == 'undefined') {
s = 3.70158; //回缩的距离
}
return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
},
backBoth: function(t, b, c, d, s){
if (typeof s == 'undefined') {
s = 1.70158;
}
if ((t /= d/2 ) < 1) {
return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
}
return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
},
bounceIn: function(t, b, c, d){ //弹球减振（弹球渐出）
return c - Tween['bounceOut'](d-t, 0, c, d) + b;
},
bounceOut: function(t, b, c, d){
if ((t/=d) < (1/2.75)) {
return c*(7.5625*t*t) + b;
} else if (t < (2/2.75)) {
return c*(7.5625*(t-=(1.5/2.75))*t + 0.75) + b;
} else if (t < (2.5/2.75)) {
return c*(7.5625*(t-=(2.25/2.75))*t + 0.9375) + b;
}
return c*(7.5625*(t-=(2.625/2.75))*t + 0.984375) + b;
},
bounceBoth: function(t, b, c, d){
if (t < d/2) {
return Tween['bounceIn'](t*2, 0, c, d) * 0.5 + b;
}
return Tween['bounceOut'](t*2-d, 0, c, d) * 0.5 + c*0.5 + b;
}
}
};
Object.prototype.getStyle = function( obj , attr ){
return obj.currentStyle?obj.currentStyle[attr]:getComputedStyle(obj)[attr];
};