JS获取浏览器名字

 var cBrowser = "";
        $(document).ready(function () {
            if (window.navigator.userAgent.indexOf("Safari") >= 0 && navigator.userAgent.toLowerCase().indexOf("version") >= 0) {
                cBrowser = "safari";
            } else if (window.navigator.userAgent.indexOf("Chrome") >= 0) {
                cBrowser = "chrome";
            } else if (navigator.userAgent.toLowerCase().indexOf('msie') >= 0) {
                cBrowser = "ie";
            } else if (navigator.userAgent.toLowerCase().indexOf('firefox') >= 0) {
                cBrowser = "firefox";
            } else if (navigator.userAgent.toLowerCase().indexOf('opera') >= 0) {
                cBrowser = "opera";
            }

        });