事件冒泡
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</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(ev) {
alert(1);
//ev.stopPropagation();
//console.log(ev);
//alert(ev.clientX);
return false;
});
$(document).contextmenu(function(event) {
//event.preventDefault();
return false;
});
});
</script>
</head>
<body>
<div class="grandfather">
<div class="father">
<div class="son"></div>
</div>
</div>
</body>
</html>
