_isMobile() {
let flag = navigator.userAgent.match(
/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i
);
return flag;
},
<div :class="[_isMobile() ? 'content-mobile' : 'content']"> </div>