jq与原生js实现收起展开效果
(jq需自己加载)
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>展开收起</title>
<style>
* {
margin: 0;
padding: 0;
}
button {
font-size: 18px;
padding: 0 19px;
}
#con {
500px;
background: #ccc;
color: red;
font-size: 18px;
overflow: hidden;
}
</style>
<script src="js/jquery-1.8.3.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<button id="zk">展开</button>
<button id="sq">收起</button>
<div id="con">
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
展开收起动画效果
</div>
<!--原生js的写法-->
<!--<script type="text/javascript">
var zk = document.getElementById('zk');
var sq = document.getElementById('sq');
var con = document.getElementById('con');
var timer = null,
timer2 = null,
conHeight = con.clientHeight;
sq.onclick = function() {
var h = conHeight;
clearInterval(timer);
timer = setInterval(function(){
h -= 2;
if(h <= 0) {
h = 0;
clearInterval(timer);
}
con.style.height = h + 'px';
},10);
}
zk.onclick = function() {
var h = 0;
clearInterval(timer2);
timer2 = setInterval(function(){
h += 2;
if(h >= conHeight) {
h = conHeight;
clearInterval(timer2);
}
con.style.height = h + 'px';
},10);
}
</script>-->
<!--jq的写法-->
<script type="text/javascript">
$('#sq').click(function() {
$('#con').slideUp(2000,'swing',function() {
alert(111);
});
});
$('#zk').click(function() {
$('#con').slideDown();
});
</script>
</body>
</html>