jquery浏览器检测

<script src="js/jquery-1.7.min.js"></script>
<script src="js/fingerprint.js"></script>
<script src="js/jquery.client.js"></script>
<script type="text/javascript">
    function appendLi(text){
        $('ul').append('<li></li>');
        $('ul li:last-child').text(text);
    }
    $(function(){
        appendLi('userAgent: ' + window.navigator.userAgent);
        appendLi('platform: ' + window.navigator.platform);
        appendLi('appCodeName: ' + window.navigator.appCodeName);
        appendLi('appName: ' + window.navigator.appName);
        appendLi('appVersion: ' + window.navigator.appVersion);
        appendLi('product: ' + window.navigator.product);
        appendLi('支持离线存储: ' + !!window.applicationCache);
        appendLi('支持canvas: ' + !!document.createElement('canvas').getContext);
        appendLi('分辨率: ' + $(window).width() + " * " + $(window).height());
        appendLi('js指纹: ' + new Fingerprint().get());
        appendLi('系统: ' + $.client.os);
    });
</script>