I have gone through many blogs to achieve this code completion for java script. I can see . all SAP UI library added as well in project. Still no success.. Appreciate urgent help., Don't have option to use SAP Web IDE, have to work with Eclipse only ..
Current version -
Eclipse Java EE IDE for Web Developers.
Version: Oxygen.3a
Release (4.7.3a) Build id: 20180405-1200