function isIPhoneX(fn){
var u = navigator.userAgent;
var isIOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端
if (isIOS) {
if (screen.height == 812 && screen.width == 375){
console.log('iponeX')
}else{
console.log('ipone')
}
}else{
console.log('安卓')
}
}