Ini khusus untuk jQuery, dan mengandungi sedikit peretasan / pembaikan untuk menangani Chrome. Ini berfungsi antara jQuery 1.5.1 dan jQuery 1.8.3. Ia hilang di jQuery 1.9. Agaknya kerana ia terlalu kerap digunakan dan itu merosakkan web. Lebih baik ciri mengesan bila mungkin.
var userAgent = navigator.userAgent.toLowerCase(), browser = '', version = 0; $.browser.chrome = /chrome/.test(navigator.userAgent.toLowerCase()); // Is this a version of IE? if ($.browser.msie) ( userAgent = $.browser.version; userAgent = userAgent.substring(0,userAgent.indexOf('.')); version = userAgent; browser = "Internet Explorer"; ) // Is this a version of Chrome? if ($.browser.chrome) ( userAgent = userAgent.substring(userAgent.indexOf('chrome/') + 7); userAgent = userAgent.substring(0,userAgent.indexOf('.')); version = userAgent; // If it is chrome then jQuery thinks it's safari so we have to tell it it isn't $.browser.safari = false; browser = "Chrome"; ) // Is this a version of Safari? if ($.browser.safari) ( userAgent = userAgent.substring(userAgent.indexOf('safari/') + 7); userAgent = userAgent.substring(0,userAgent.indexOf('.')); version = userAgent; browser = "Safari"; ) // Is this a version of Mozilla? if ($.browser.mozilla) ( //Is it Firefox? if (navigator.userAgent.toLowerCase().indexOf('firefox') != -1) ( userAgent = userAgent.substring(userAgent.indexOf('firefox/') + 8); userAgent = userAgent.substring(0,userAgent.indexOf('.')); version = userAgent; browser = "Firefox" ) // If not then it must be another Mozilla else ( browser = "Mozilla (not Firefox)" ) ) // Is this a version of Opera? if ($.browser.opera) ( userAgent = userAgent.substring(userAgent.indexOf('version/') + 8); userAgent = userAgent.substring(0,userAgent.indexOf('.')); version = userAgent; browser = "Opera"; ) // Now you have two variables, browser and version // which have the right info