define-properties
· Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.
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 define-properties-1.1.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
