【转】JavaScript 判断iPhone X Series机型的方法

const isIphonex = () => {
 // X XS, XS Max, XR
 const xSeriesConfig = [
 {
  devicePixelRatio: 3,
  width: 375,
  height: 812,
 },
 {
  devicePixelRatio: 3,
  width: 414,
  height: 896,
 },
 {
  devicePixelRatio: 2,
  width: 414,
  height: 896,
 },
 ];
 // h5
 if (typeof window !== 'undefined' && window) {
 const isIOS = /iphone/gi.test(window.navigator.userAgent);
 if (!isIOS) return false;
 const { devicePixelRatio, screen } = window;
 const { width, height } = screen;
 return xSeriesConfig.some(item => item.devicePixelRatio === devicePixelRatio && item.width === width && item.height === height);
 }
 return false;
}