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function myBrowser() { var userAgent = navigator.userAgent; console.log(userAgent) var isOpera = userAgent.indexOf("Opera") > -1 || userAgent.indexOf("OPR") > -1;
var isQQ = userAgent.indexOf("QQBrowser") > -1;
var isUC = userAgent.indexOf("UBrowser") > -1;
var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1;
var isIE11 = userAgent.indexOf("compatible") === -1 && userAgent.indexOf("Trident") > -1;
var isEdge = userAgent.indexOf("Edge") > -1;
var isFF = userAgent.indexOf("Firefox") > -1;
var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") === -1;
var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("; Win") > -1 && userAgent.indexOf("Safari") > -1;
var is360 = userAgent.indexOf("Chrome") > -1 && (userAgent.indexOf("; WOW") > -1 || userAgent.indexOf("; Intel Mac")) && userAgent.indexOf("Safari") > -1;
if (isIE) { var reIE = /MSIE (\d+)\.\d+;/; var matchReg = userAgent.match(reIE) var fIEVersion = matchReg[1]; if (fIEVersion == 7) { return "IE7及其以下"; } else if (fIEVersion == 8) { return "IE8"; } else if (fIEVersion == 9) { return "IE9"; } else if (fIEVersion == 10) { return "IE10"; } else { return "0"; } return "IE"; } if (isUC) { return "UC"; } if (isQQ) { return "QQBrowser"; } if (isIE11) { return "IE11"; } if (isOpera) { return "Opera"; } if (isEdge) { return "Edge"; } if (isFF) { return "Firefox"; } if (isSafari) { return "Safari"; } if (isChrome) { return "Chrome"; } if (is360) { return "360"; } } alert(myBrowser())
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