Deno is created by Ryan Dahl, the same guy who created node.js in 2009. but nodejs became corrupt over the years, so Ryan Dahl created created a better version called deno in 2018.
Download and Install Deno
Download Deno at https://deno.land/
Run Deno Interactively
denoto start the interactive prompt.
- Type Ctrl + d to exit.
Run Deno as As Script
deno run test.js
Run Deno in Emacs