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Home >Web Front-end >JS Tutorial >A simple example of the effect of opening a full-screen image up and down to display a web page_javascript skills

A simple example of the effect of opening a full-screen image up and down to display a web page_javascript skills

WBOY
WBOYOriginal
2016-05-16 16:42:153317browse

Go to the source code to see the effect: 

<!DOCTYPE html>
<html>
<head>
<title></title>
<style>
body {
margin: 0;
padding: 0;
}


.wrap {
overflow: hidden;
position: fixed;
z-index: 99999;
width: 100%;
top: 0;
left: 0;
}


.div {
overflow: hidden;
position: absolute;
width: 100%;
}


.d {
background: url(1.jpg) center center no-repeat;
height: 100%;
}
</style>
</head>
<body>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<p>这是网站内容</p>
<div class="wrap">
<div id="d1" class="div">
<div class="d"></div>
</div>
<div id="d2" class="div">
<div class="d"></div>
</div>
</div>
<script src="jquery-1.8.3.min.js"></script>
<script>
var h = $(window).height();
var h1 = h / 2;
$('#d1,#d2').height(h1);
$('.wrap,.d').height(h);
$('#d2').css('top', h1);
$('#d2 .d').css('margin-top', -h1);

setTimeout(function () {
$('#d1').animate({ 'top': -h / 2 }, 3000);
$('#d2').animate({ 'top': h }, 3000, function () {
$('.wrap').remove();
});
}, 2000);//一定时间后打开，1000=1秒

</script>
</body>
</html>
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