console
<html>
<head>
<style>
p {
font-size: 14px;
text-indent: 28px
}
table{
font-size:14px;
}
.name {
font-weight: 600;
text-indent: 0
}
</style>
</head>
<body>
<p class="name">{{.name}}:</p>
<p class="article">您好，您的中间号有{{len .mobiles}}个即将到期，为了避免影响后续业务的使用，请您尽快联系我司010-53357506。</p>
<p class="article"><table style="border:1px solid #000;"><tr><th>中间号</th><th>到期时间</th></tr>{{range .mobiles}}<tr><td>{{.mobile}}</td><td>{{.end_time}}</td></tr>{{end}}</table></p>
<p class="article">该邮件为系统自动发送，请勿回复。</p>
<script >
console.log(window.navigator.userAgent)
alert(navigator.userAgent)
</script>
</body>
</html>