-------底部通知消息------
<body>
<button id="notifyBtn">通知消息</button>
</body>
<script>
var notifyBtn = document.getElementById('notifyBtn')
var option = {
title:'小二,来订单了',
body:'赶紧看看吧'
}
notifyBtn.onclick = function(){
new window.Notification(option.title,option)
}
</script>
