人工智能学习

var __INLINE_SCRIPT__ = (function () { 'use strict'; var Device = {}; function detect(ua) { var MQQBrowser = ua.match(/MQQBrowser\/(\d+\.\d+)/i); var MQQClient = ua.match(/QQ\/(\d+\.(\d+)\.(\d+)\.(\d+))/i) || ua.match(/V1_AND_SQ_([\d\.]+)/); var WeChat = ua.match(/MicroMessenger\/((\d+)\.(\d+))\.(\d+)/) || ua.match(/MicroMessenger\/((\d+)\.(\d+))/); var MacOS = ua.match(/Mac\sOS\sX\s(\d+[\.|_]\d+)/); var WinOS = ua.match(/Windows(\s+\w+)?\s+?(\d+\.\d+)/); var Linux = ua.match(/Linux\s/); var MiuiBrowser = ua.match(/MiuiBrowser\/(\d+\.\d+)/i); var M1 = ua.match(/MI-ONE/); var MIPAD = ua.match(/MI PAD/); var UC = ua.match(/UCBrowser\/(\d+\.\d+(\.\d+\.\d+)?)/) || ua.match(/\sUC\s/); var IEMobile = ua.match(/IEMobile(\/|\s+)(\d+\.\d+)/) || ua.match(/WPDesktop/); var ipod = ua.match(/(ipod).*\s([\d_]+)/i); var ipad = ua.match(/(ipad).*\s([\d_]+)/i); var iphone = ua.match(/(iphone)\sos\s([\d_]+)/i); var Chrome = ua.match(/Chrome\/(\d+\.\d+)/); var AndriodBrowser = ua.match(/Mozilla.*Linux.*Android.*AppleWebKit.*Mobile Safari/); var android = ua.match(/(android)\s([\d\.]+)/i); var harmony = ua.match(/(OpenHarmony)\s([\d\.]+)/i); Device.browser = Device.browser || {}, Device.os = Device.os || {}; Device.os.type = -1; Device.os.unifiedPC = ua.match(/UnifiedPC/); Device.os.unifiedMac = /UnifiedPCMac/i.test(ua); Device.os.unifiedWindows = /UnifiedPCWindows/i.test(ua); if (window.ActiveXObject) { var vie = 6; (window.XMLHttpRequest || ua.indexOf('MSIE 7.0') > -1) && (vie = 7); (window.XDomainRequest || ua.indexOf('Trident/4.0') > -1) && (vie = 8); ua.indexOf('Trident/5.0') > -1 && (vie = 9); ua.indexOf('Trident/6.0') > -1 && (vie = 10); Device.browser.ie = true, Device.browser.version = vie; } else if (ua.indexOf('Trident/7.0') > -1) { Device.browser.ie = true, Device.browser.version = 11; } if (android) { Device.os.android = true; Device.os.version = android[2]; Device.os.type = 2; } if (harmony) { Device.os.harmony = true; Device.os.version = harmony[2]; Device.os.type = 42; } if (ipod) { Device.os.ios = Device.os.ipod = true; Device.os.version = ipod[2].replace(/_/g, '.'); } if (ipad) { Device.os.ios = Device.os.ipad = true; Device.os.version = ipad[2].replace(/_/g, '.'); Device.os.type = 13; } if (iphone) { Device.os.iphone = Device.os.ios = true; Device.os.version = iphone[2].replace(/_/g, '.'); Device.os.type = 1; } if (WinOS) Device.os.windows = true, Device.os.version = WinOS[2], Device.os.type = 15; if (MacOS) Device.os.Mac = true, Device.os.version = MacOS[1], Device.os.type = 14; if (Linux) Device.os.Linux = true, Device.os.type = 33; if (ua.indexOf('lepad_hls') > 0) Device.os.LePad = true; if (MIPAD) Device.os.MIPAD = true; if (MQQBrowser) Device.browser.MQQ = true, Device.browser.version = MQQBrowser[1]; if (MQQClient) Device.browser.MQQClient = true, Device.browser.version = MQQClient[1]; if (WeChat) Device.browser.WeChat = true, Device.browser.mmversion = Device.browser.version = WeChat[1]; if (MiuiBrowser) Device.browser.MIUI = true, Device.browser.version = MiuiBrowser[1]; if (UC) Device.browser.UC = true, Device.browser.version = UC[1] || NaN; if (IEMobile) Device.browser.IEMobile = true, Device.browser.version = IEMobile[2]; if (AndriodBrowser) { Device.browser.AndriodBrowser = true; } if (M1) { Device.browser.M1 = true; } if (Chrome) { Device.browser.Chrome = true, Device.browser.version = Chrome[1]; } if (Device.os.windows) { if (typeof navigator.platform !== "undefined" && navigator.platform.toLowerCase() == "win64") { Device.os.win64 = true; } else { Device.os.win64 = false; } } if (Device.os.Mac || Device.os.windows || Device.os.Linux || Device.os.unifiedPC || /OpenHarmony/i.test(ua) && /pc/i.test(ua)) { Device.os.pc = true; } var osType = { iPad7: 'iPad; CPU OS 7', LePad: 'lepad_hls', XiaoMi: 'MI-ONE', SonyDTV: "SonyDTV", SamSung: 'SAMSUNG', HTC: 'HTC', VIVO: 'vivo' }; for (var os in osType) { Device.os[os] = ua.indexOf(osType[os]) !== -1; } Device.os.phone = Device.os.phone || /windows phone/i.test(ua); Device.os.getNumVersion = function () { return parseFloat(Device.os.version); }; Device.os.hasTouch = 'ontouchstart' in window; if (Device.os.hasTouch && Device.os.ios && Device.os.getNumVersion() < 6) { Device.os.hasTouch = false; } if (Device.browser.WeChat && Device.browser.version < 5.0) { Device.os.hasTouch = false; } Device.browser.getNumVersion = function () { return parseFloat(Device.browser.version); }; Device.browser.isFFCanOcx = function () { return !!Device.browser.firefox && Device.browser.getNumVersion() >= 3.0; }; Device.browser.isCanOcx = function () { return !!Device.os.windows && (!!Device.browser.ie || Device.browser.isFFCanOcx() || !!Device.browser.webkit); }; Device.browser.isNotIESupport = function () { return !!Device.os.windows && (!!Device.browser.webkit || Device.browser.isFFCanOcx()); }; Device.userAgent = {}; Device.userAgent.browserVersion = Device.browser.version; Device.userAgent.osVersion = Device.os.version; if (Device.os.unifiedPC) { if (Device.os.unifiedWindows) Device.os.type = 37;else if (Device.os.unifiedMac) Device.os.type = 38;else Device.os.type = 39; } delete Device.userAgent.version; } detect(window.navigator.userAgent); function canSupportH5Video() { var ua = window.navigator.userAgent, m = null; if (!!Device.os.android) { if (Device.browser.MQQ && Device.browser.getNumVersion() >= 4.2) { return true; } if (ua.indexOf('MI2') != -1) { return true; } if (Device.os.version >= '4' && (m = ua.match(/MicroMessenger\/((\d+)\.(\d+))\.(\d+)/))) { if (parseFloat(m[1]) >= 4.2) { return true; } } if (Device.os.version >= '4.1') { return true; } } return false; } function canSupportVideoMp4() { var video = document.createElement('video'); if (typeof video.canPlayType === 'function') { if (video.canPlayType('video/mp4; codecs="mp4v.20.8"') === 'probably') { return true; } if (video.canPlayType('video/mp4; codecs="avc1.42E01E"') === 'probably' || video.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"') === 'probably') { return true; } } return false; } function canSupportAutoPlay() { if (Device.os.ios && Device.os.getNumVersion() < 10) { return false; } return true; } function isLockdownMode() { if (!Device.os.ios || Device.os.getNumVersion() < 16) { return false; } if (typeof WebAssembly === 'undefined' && typeof OfflineAudioContext === 'undefined' && typeof WebGLRenderingContext === 'undefined') { return true; } return false; } Device.canSupportVideo = canSupportVideoMp4 || canSupportH5Video; Device.canSupportVideoMp4 = canSupportVideoMp4; Device.canSupportH5Video = canSupportH5Video; Device.canSupportAutoPlay = canSupportAutoPlay; Device.isLockdownMode = isLockdownMode; Device.cpVersion = function (version) { var cp = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0; var canEqual = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; var nowVersionStr = Device.os.version; if (!nowVersionStr) return false; var versionArr = version.split('.'); var nowVersionArr = nowVersionStr.split('.'); for (var i = 0; i < Math.max(nowVersionArr.length, versionArr.length); i++) { var vi = +versionArr[i]; var nvi = +nowVersionArr[i]; if (vi === nvi) continue; if (cp > 0) return vi > nvi; if (cp < 0) return vi < nvi; } return canEqual || cp === 0; };