How to open Javadoc JAR file in web browser
- Rename the file geckoview-ceno-omni-arm64-v8a-116.0.20230805021307-javadoc.jar to geckoview-ceno-omni-arm64-v8a-116.0.20230805021307-javadoc.zip
- Use your favourite unzip tool (WinRAR / WinZIP) to extract it, now you have a folder geckoview-ceno-omni-arm64-v8a-116.0.20230805021307-javadoc
- Double click index.html will open the index page on your default web browser.
How to generate Javadoc from a source JAR?
Running the command javadoc:
javadoc --ignore-source-errors -encoding UTF-8 -sourcepath "geckoview-ceno-omni-arm64-v8a-116.0.20230805021307-sources.jar" -d "geckoview-ceno-omni-arm64-v8a-116.0.20230805021307-javadoc" -subpackages 
