org.scala-js : scalajs-junit-test-plugin_2.13.0-RC2

View Java Class Source Code in JAR file

1. Download JD-GUI to open JAR file and explore Java source code file (.class .java)
2. Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window scalajs-junit-test-plugin_2.13.0-RC2-1.0.0-M8.jar file.
   Once you open a JAR file, all the java classes in the JAR file will be displayed.