browser-detect-javascript.js

// http://sixrevisions.com/javascript/browser-detection-javascript/
var browserDetect = {
  init: function () {
    $('.button').click(function () {
      // Feature detection: Check if navigator.userAgent exists
      if (typeof navigator.userAgent === 'undefined') {
        browserDetect.showInfo('navigator.userAgent is not available in your browser.');
      } else if ($(this).attr('id') === 'navigator-obj') {
        browserDetect.navigatorObj();
      } else {
        browserDetect.detectJS();
      }
    });
  },
  // Display navigator.userAgent string in the message area
  navigatorObj: function () {
    browserDetect.showInfo(navigator.userAgent);
  },
  detectJS: function () {
    b = detect.parse(navigator.userAgent);
    // Display the Detect.js parsed properties in the message area
    browserDetect.showInfo(
        'Your browser is ' + b.browser.name + '</br>' +
        'Your device type is ' + b.device.type + '</br>' +
        'Your operating system is ' + b.os.name + '</br>'
    );
  },
  // Update message area with the string argument
  showInfo: function (m) {
    $('#message-area').html(m);
  }
}
// Call browserDetect object when DOM is ready 
jQuery(document).ready(browserDetect.init);