jquery-xdomainrequest
· Automatic Cross Origin Resource Sharing support using the XDomainRequest object for IE8 and IE9 when using the $.ajax function in jQuery 1.5+
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window jquery-xdomainrequest-1.0.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.