js實現雪花飄落特效
阿新 • • 發佈：2019-01-15
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js</title>
<style>
body{background: #eee;}
@keyframes mysnow{
0%{bottom:100%;opacity: 0;}
50%{opacity: 1;transform:rotate(720deg);}
100%{transform:rotate(0deg);opacity: 0;bottom:0%; }
}
.container{position: fixed;}
.pic{position: absolute;opacity: 0;animation:mysnow 5s;height: 30px;}
img{width:50;height:50px;}
</style>
<script>
window.onload=function(){
snowFlow();
function snowFlow(left,height,src){
var container=document.createElement('div');
var pic=document.createElement('img');
var snowFlow=document.getElementById('snowFlow');
pic.className='pic';
container.className='container';
snowFlow.appendChild(container);
container.appendChild(pic);
container.style.left=left+'px';
container.style.height=height+'px';
pic.src=src;
setTimeout(function(){
snowFlow.removeChild(container); },5000);
}
setInterval(function(){
var left=Math.random()*window.innerWidth;
var height=Math.random()*window.innerHeight;
var src = 'images/xue.png';
snowFlow(left,height,src);
}
,500)
};
</script>
</head>
<body>
<div id="snowFlow"></div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js</title>
<style>
body{background: #eee;}
@keyframes mysnow{
0%{bottom:100%;opacity: 0;}
50%{opacity: 1;transform:rotate(720deg);}
100%{transform:rotate(0deg);opacity: 0;bottom:0%; }
}
.container{position: fixed;}
.pic{position: absolute;opacity: 0;animation:mysnow 5s;height: 30px;}
img{width:50;height:50px;}
</style>
<script>
window.onload=function(){
snowFlow();
function snowFlow(left,height,src){
var container=document.createElement('div');
var pic=document.createElement('img');
var snowFlow=document.getElementById('snowFlow');
pic.className='pic';
container.className='container';
snowFlow.appendChild(container);
container.appendChild(pic);
container.style.left=left+'px';
container.style.height=height+'px';
pic.src=src;
setTimeout(function(){
snowFlow.removeChild(container); },5000);
}
setInterval(function(){
var left=Math.random()*window.innerWidth;
var height=Math.random()*window.innerHeight;
var src = 'images/xue.png';
snowFlow(left,height,src);
}
,500)
};
</script>
</head>
<body>
<div id="snowFlow"></div>
</body>
</html>