js-learn

code repo for js

For setting node envrionment in the codespace at github

View > command palette > type container (add dev config file) show all defination nodejs and JS environment default node (no addtional)

for terminal view > terminal

Async code

Default JS is synchronous code Js is single threaded

EXCUTION CONTEXT excuted by one by one line Each operation wait for last one to complete before execitions

Blocking vs Non blocking code

block the flow > read file sync non block the code > read file async