const userAg = navigator.userAgent let isAndroid = userAg.indexOf('Android') > -1 || userAg.indexOf('Adr') > -1 // 安卓 let isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/) // ios
const userAg = navigator.userAgent let isAndroid = userAg.indexOf('Android') > -1 || userAg.indexOf('Adr') > -1 // 安卓 let isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/) // ios