I wrote a book store in JS and it seems totally fine!

Note: Your goal is to get the program to output the flag to its standard error stream, it can be anywhere in the stream. The program can exit with any exit code.

Files: thank_you.djs c2eba3d0e8f3f39ac285cc4c636ff12666935f94

(The file extension for this challenge is not standard because Cloudflare minifies all the .js files automatically, feel free to rename it as a .js file if you wish.)