判断是移动端还是PC

function isPc() {
    if (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 false;
    } else {
        return true;
    }
}

isPc()