<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum=1.0,minimum=1.0,user-scalable=0" />
</head>
<body>
<div id="picker">
<img src="//repo.bfw.wiki/bfwrepo/image/5d65ea7d8bc8b.png?x-oss-process=image/auto-orient,1/resize,m_fill,w_300,h_300,/quality,q_90" />
</div>
<script type="text/javascript">
// Fade in
var fadeIn = function(el) {
el.style.opacity = 0;
var last = +new Date() ;
var tick = function() {
el.style.opacity = +el.style.opacity + (new Date() - last) / 400 ;
last = +new Date() ;
if (+el.style.opacity < 1) {
requestAnimationFrame(tick);
}
}
tick();
} // Fade out
var fadeOut = function(el) {
el.style.opacity = 1;
var last = +new Date();
var tick = function() {
el.style.opacity = +el.style.opacity - (new Date() - last) / 400 ;
last = +new Date() ;
if (+el.style.opacity > 0) {
requestAnimationFrame(tick);
}
}
tick();
}
fadeIn(document.getElementById("picker"));
//fadeOut(document.getElementById("picker"));
</script>
</body>
</html>
网友回复
我知道答案，我要回答
私活外包
