判断是否是android还是ios

//判断是否是android还是ios

isAndroid_ios(){

let u = navigator.userAgent,app = navigator.appVersion;

let isAndroid = u.indexOf('Android') > -1 || u.indexOf('Linux') > -1; //android终端或者uc浏览器

let isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端

return isAndroid==true?true:false;

},