ZUML Reference/EL Expressions/Implicit Objects (Predefined Variables)/zk

zk - java.util.Map

A map of browser and system information. For example, ${zk.gecko} returns the version of Firefox if the current user is using Firefox. Here is a list of entries that the zk object has:

Name	Type	Example	Description
browser	Map	{version: 9.0, name: "gecko"}	A two-entries map for the browser's name and version. Example, ${zk.browser.name}. Possible browser names: webkit, gecko, ie, opera.
chrome	Double	16.0	The version of Chrome if the current user is using Chrome. Otherwise, it is null.
ff	Double	9.0	The version of Firefox if the current user is using Gecko-based browser, including Firefox. Otherwise, it is null. NOTICE: It is the same as gecko (for backward compatibility).
gecko	Double	9.0	The version of Gecko if the current user is using Gecko-based browser, including Firefox. Otherwise, it is null. It is the same as ff.
ie	Double	9.0	The version of Internet Explorer if the current user is using Internet Explorer. Otherwise, it is null.
ipad	Double	5.0	The version of iPad if the current user is using iPad. Otherwise, it is null.
iphone	Double	5.0	The version of iPhone if the current user is using iPhone. Otherwise, it is null.
ipod	Double	5.0	The version of iPod if the current user is using iPod. Otherwise, it is null.
ios	Double	5.0	The version of iOS if the current user is using iOS-based device. Otherwise, it is null.
android	Double	4.1	The version of Android if the current user is using Android-based device. Otherwise, it is null.
opera	Double	11.52	The version of Opera if the current user is using Opera. Otherwise, it is null.
safari	Double	535.7	The version of Safari if the current user is using Webkit-based browser, including Safari and Chrome. Otherwise, it is null. NOTICE: It is the same as webkit (for backward compatibility).
webkit	Double	535.7	The version of Webkit if the current user is using Webkit-based browser, including Safari and Chrome. Otherwise, it is null.

Version History

Version	Date	Content
6.0.0	February 2012	The zk object was introduced.