detect-ipad.js

let isIPadOs = function() {
    return window.AuthenticatorAssertionResponse === undefined
            && window.AuthenticatorAttestationResponse === undefined
            && window.AuthenticatorResponse === undefined
            && window.Credential === undefined
            && window.CredentailsContainer === undefined
            && window.DeviceMotionEvent !== undefined
            && window.DeviceOrientationEvent !== undefined
            && navigator.maxTouchPoints === 5
            && navigator.plugins.length === 0
            && navigator.platform !== "iPhone";
}