阻止冒泡
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>图片循环旋转</title>
<style>
*{margin: 0; padding: 0;}
.ta_c{text-align: center;
margin-top: 100px;
display: none;
}
@-webkit-keyframes rotation{
from {-webkit-transform: rotate(0deg);}
to {-webkit-transform: rotate(360deg);}
}
.Rotation{
-webkit-transform: rotate(360deg);
animation: rotation 3s linear infinite;
-moz-animation: rotation 3s linear infinite;
-webkit-animation: rotation 3s linear infinite;
-o-animation: rotation 3s linear infinite;
}
.img{border-radius: 250px;}
</style>
</head>
<body>
<input id="btn" type="button" onclick="tan()" value="弹出" >
<div class="ta_c" id="xianshi">
<img class="Rotation img" src="01.png" width="50" height="50"/>
</div>
<script type="text/javascript">
function e(obj){return document.getElementById(obj)}
e('btn').onclick=function(event){
e('xianshi').style.display='block';
stopBubble(event);
document.onclick=function(){
e('xianshi').style.display='none';
}
}
e('xianshi').onclick=function(event){
//只阻止了向上冒泡,而没有阻止向下捕获,所以点击xianshi的内部对象时,仍然可以执行这个函数 (阻止点击xianshi盒子时弹框消失
stopBubble(event);
}
//阻止冒泡函数
function stopBubble(e){
if(e && e.stopPropagation){
e.stopPropagation(); //w3c
}else{
window.event.cancelBubble=true; //IE
}
}
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>点击其它地方关闭DIV</title>
</head>
<body>
<input type="text" value="" id="tf"/>
<div style="width:400px; height:200px;border:1px solid #000;display:none" id="con">
<p>1111</p>
<p><span>2222</span></p>
<p><a href="#">3333</a></p>
</div>
<script>
function e(obj){return document.getElementById(obj)}
e('tf').onclick=function(event){
e('con').style.display='block';
stopBubble(event);
document.onclick=function(){
e('con').style.display='none';
document.onclick=null;
}
}
e('con').onclick=function(event){
//只阻止了向上冒泡,而没有阻止向下捕获,所以点击con的内部对象时,仍然可以执行这个函数
stopBubble(event);
}
//阻止冒泡函数
function stopBubble(e){
if(e && e.stopPropagation){
e.stopPropagation(); //w3c
}else{
window.event.cancelBubble=true; //IE
}
}
</script>
</body>
</html>