Advent of Code: http://www.adventofcode.com
Solving AoC directly in browser console using JavaScript.
Copy and paste the code from each solution into the console while viewing its corresponding raw input.txt file.
for 2020 and later you can also run the solutions with Node. By default it will run all solutions for that year. You can optionally specify a day and puzzle input file.
$ node YEAR [DAY] [INPUT PATH]