JavaScript Browser Class

JavaScript Browser Class.js

// Browser Class

$(document).ready(function() {
    var agent = navigator.userAgent;
    var browser;

    if ( /Trident\/7.0/i.test(agent) ) {
        browser = 'ie11';
    }
    
    else if ( /MSIE/i.test(agent) ) {
        if ( /MSIE 10/i.test(agent) ) {
            browser = 'ie10';
        }
        else if ( /MSIE 9/i.test(agent) ) {
            browser = 'ie9';
        }
        else if ( /MSIE 8/i.test(agent) ) {
            browser = 'ie8';
        }
        else {
            browser = 'ie';
        }
    }

    else if ( /WebKit/i.test(agent) ) {
        if ( /Chrome/i.test(agent) ) {
            browser = 'chrome';
        }
        else if ( /Safari/i.test(agent) ) {
            if ( /iPad/i.test(agent) ) {
                browser = 'ipad';
            }
            else if ( /iPhone/i.test(agent) ) {
                browser = 'iphone';
            }
            else {
                browser = 'safari';
            }
        }
        else if ( /MSIE 8/i.test(agent) ) {
            browser = 'ie8';
        }
        else {
            browser = 'ie';
        }
    }

    else if ( /Gecko/i.test(agent) ) {
        if ( /Firefox/i.test(agent) ) {
            browser = 'firefox';
        }
        else {
            browser = 'gecko';
        }
    }

    else {
        browser = 'unknown';
    }

    $('body').addClass('browser-' + browser);

});