A Happy Programmer

https://appendto.com/2017/06/asyncawait-come-use/ https://hackernoon.com/understanding-async-await-in-javascript-1d81bb079b2c

http://reactdesktop.js.org/demo/

Sakai https://www.claroline.net moodle https://www.edx.org

How to Improve Your JavaScript Skills by Writing Your Own Web Development Framework https://medium.freecodecamp.org/how-to-improve-your-javascript-skills-by-writing-your-own-web-development-framework-eed2226f190

https://www.codeproject.com/Articles/1112730/Android-Download-Manager-Tutorial-How-to-Download