<!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>
弹框-阻止冒泡.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>定时器弹框</title>
<style type="text/css">
.pop_con{
display: none;/*默认不显示,用定时器显示*/
}
.pop{
width: 400px;
height: 300px;
background-color: #fff;
border: 1px solid #000;
position: fixed;/*使用固定定位*/
left: 50%;/*左上角位于页面中心*/
top: 50%;
margin-left: -200px;/*让div向左偏移半个宽度、向上偏移半个高度,使div位于页面中心*/
margin-top: -150px;
z-index: 9999;/*弹窗在最前面*/
}
/*遮罩样式*/
.mask{
position: fixed;
width: 100%;
height: 100%;
background-color: #000;
left: 0;
top: 0;
/*设置透明度30%,兼容IE6、7、8*/
opacity: 0.3;
filter: alpha(opacity=30);
z-index: 9990;/*遮罩在弹窗后面*/
}
</style>
<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
<script type="text/javascript">
$(function(){
$('#btn').click(function() {
$('#pop').show();
return false;
});
$('#shutoff').click(function() {
$('#pop').hide();
});
//点弹框以外的地方,也能让弹框消失
$(document).click(function(){
// setTimeout(function(){
// $('#pop').hide();
// },2000);
$('#pop').hide();
});
$('.pop').click(function() {
return false;
});
//阻止默认行为(原来超链接可跳转到百度,阻止后无法跳转)
$('#link1').click(function() {
return false;
});
})
</script>
</head>
<body>
<h1>首页标题</h1>
<p>页面内容</p>
<a href="http://www.baidu.com" id="link1">百度网</a>
<input type="button" name="" value="弹出" id="btn">
<div class="pop_con" id="pop">
<div class="pop">
<h3>提示信息!</h3>
<a href="#" id="shutoff">关闭</a>
<input type="text" name="">
</div>
<!-- 遮罩层 -->
<div class="mask"></div>
</div>
</body>
</html>
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