!-- flowchart 箭头图标 勿删 --
事件冒泡
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>事件冒泡</title>
<style type="text/css">
.grandfather{
width: 300px;
height: 300px;
background-color: green;
position: relative;
}
.father{
width: 200px;
height: 200px;
background-color: gold;
}
.son{
width: 100px;
height: 100px;
background-color: red;
position: absolute;
left: 0;
top: 400px;
}
</style>
<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
<script type="text/javascript">
$(function(){
$('body').click(function() {
alert(4);
});
$('.grandfather').click(function() {
alert(3);
});
$('.father').click(function() {
alert(2);
});
$('.son').click(function(event) {//event代表当前事件
alert(1);
// console.log(event);//显示很多属性，其中clientX、clientY就是点击的坐标
// alert("X轴坐标：" + event.clientX);
// //阻止事件冒泡
// event.stopPropagation();
//合并阻止操作：把阻止冒泡和阻止默认行为合并
return false;
});
//阻止右键菜单
$(document).contextmenu(function(event){
// //阻止默认行为（原来右键能弹出菜单，阻止后无法弹出）
// event.preventDefault();
//合并阻止
return false;
})
})
</script>
</head>
<body>
<div class="grandfather">
<div class="father">
<div class="son"></div>
</div>
</div>
</body>
</html>
<!
