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Updates from the 91st TC39 meeting

There were several items on the agenda, this post focuses on feature proposals and their progress from the meeting that was held between 19-21st July 2022.

Stage 4:

Hashbang Grammar: match de-facto usage in some CLI JS hosts that allow for #! Shebangs / Hashbang.

Stage 3:

Duplicate named capturing groups: allow regex capturing group names to be repeated.

Stage 2:

Import Reflection: Proposal for syntax to import ES modules with import reflection attributes.

Stage 1:


This meeting was conducted in Google SF and below is the lunch time view!

Google SF TC39


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This post blew up on DEV in 2020:

js visualized

🚀⚙️ JavaScript Visualized: the JavaScript Engine

As JavaScript devs, we usually don't have to deal with compilers ourselves. However, it's definitely good to know the basics of the JavaScript engine and see how it handles our human-friendly JS code, and turns it into something machines understand! 🥳

Happy coding!