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var browser={
    versions:function(){
            var u = navigator.userAgent, app = navigator.appVersion;
            return {         //移动终端浏览器版本信息
                 trident: u.indexOf('Trident') > -1, //<a href="https://www.baidu.com/s?wd=IE%E5%86%85%E6%A0%B8&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBmW6vnHFBPhcdnjFWuH6v0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtznHDvrH6Yrjm1P1n4nHR3rHfL" target="_blank" class="baidu-highlight">IE内核</a>
                presto: u.indexOf('Presto') > -1, //opera内核
                webKit: u.indexOf('AppleWebKit') > -1, //苹果、<a href="https://www.baidu.com/s?wd=%E8%B0%B7%E6%AD%8C&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBmW6vnHFBPhcdnjFWuH6v0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtznHDvrH6Yrjm1P1n4nHR3rHfL" target="_blank" class="baidu-highlight">谷歌</a>内核
                gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
                mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
                ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
                android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android终端或<a href="https://www.baidu.com/s?wd=uc%E6%B5%8F%E8%A7%88%E5%99%A8&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBmW6vnHFBPhcdnjFWuH6v0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtznHDvrH6Yrjm1P1n4nHR3rHfL" target="_blank" class="baidu-highlight">uc浏览器</a>
                iPhone: u.indexOf('iPhone') > -1 , //是否为iPhone或者QQHD浏览器
                iPad: u.indexOf('iPad') > -1, //是否iPad
                webApp: u.indexOf('Safari') == -1 //是否web应该程序，没有头部与底部
            };
         }(),
         language:(navigator.browserLanguage || navigator.language).toLowerCase()
}
 document.writeln("语言版本: "+browser.language);
document.writeln(" 是否为移动终端: "+browser.versions.mobile);
document.writeln(" ios终端: "+browser.versions.ios);
document.writeln(" android终端: "+browser.versions.android);
document.writeln(" 是否为iPhone: "+browser.versions.iPhone);
document.writeln(" 是否iPad: "+browser.versions.iPad);
document.writeln(navigator.userAgent);