<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>H5的Notification-Web的桌面通知功能</title>
<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js" type='text/javascript'></script>
</head>
<body>
<div class="row">
<div class="col-md-12">
<button id="showNoti">点击通知</button>
</div>
</div>
<script>
var instanceNotification = Notification || window.Notification;
console.log(instanceNotification);
if (instanceNotification) {
var permissionNow = instanceNotification.permission;
if (permissionNow === 'grant