客户端判断

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var os = (function () {
var ua = navigator.userAgent,
isWindowsPhone = /(?:Windows Phone)/.test(ua),
isSymbian = /(?:SymbianOS)/.test(ua) || isWindowsPhone,
isAndroid = /(?:Android)/.test(ua),
isFireFox = /(?:Firefox)/.test(ua),
isChrome = /(?:Chrome|CriOS)/.test(ua),
isTablet =
/(?:iPad|PlayBook)/.test(ua) ||
(isAndroid && !/(?:Mobile)/.test(ua)) ||
(isFireFox && /(?:Tablet)/.test(ua)),
isPhone = /(?:iPhone)/.test(ua) && !isTablet,
isPc = !isPhone && !isAndroid && !isSymbian;
return {
isTablet: isTablet,
isPhone: isPhone,
isAndroid: isAndroid,
isPc: isPc
};
})();
使用方法:

if(os.isAndroid || os.isPhone){
alert(“—–“);
}

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