<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>event_stop_propagation_事件_停止_传播</title>
<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
<script type="text/javascript">
$(function(){
//event 是自带对象, 需要使用的时候,通过function()第一个传入.
$('.son').click(function(event){
alert(1);
event.stopPropagation();
// 使用event对象中的stopPropagation(停止传播),可以关闭事件冒泡.
// event.stopDefault();
// 关闭默认行为
// 通常.event.stopPropagation 与 event.stopDefault
// 连写为 return false;
})
$('.father').click(function(){
alert(2)
})
$('.grandfather').click(function(){
alert(3)
return false;
})
$(document).click(function(){
alert(4)
})
})
</script>
<style type="text/css">
.grandfather{
width: 300px;
height: 300px;
position: relative;
background-color: tan;
}
.father{
width: 200px;
height: 200px;
background-color: cyan;
}
.son{
width: 100px;
height: 100px;
background-color: violet;
position: absolute;
top: 350px;
}
</style>
</head>
<body>
<div class="grandfather">
<div class="father">
<div class="son"></div>
</div>
</div>
</body>
</html>