12 Days of Christmas in JavaScript in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 151st matiasbontempo 849 484 9 Sep 2022 151st Quadruplay 849 484 20 Dec 2024 153rd gunnermanx 847 485 25 Jan 2019 153rd chloeching-amino 847 485 24 May 2020 153rd revlayle 🇺🇸 847 485 16 Feb 2021 153rd CubeyTheCube 847 485 9 Aug 2022 157th fitzdotlol 🇺🇸 846 486 20 Mar 2022 157th Larento 846 486 14 Oct 2023 159th NatNgs 844 487 8 Jan 2020 159th KaeruCT 844 487 2 Dec 2020 159th mcculloughjchris 844 487 31 Oct 2022 159th madex 🇩🇪 844 487 19 Dec 2024 163rd dzshn 842 488 14 Apr 2021 163rd vlad-ushakov 842 488 22 Mar 2023 165th josh18994 839 490 8 Dec 2021 165th non-bin 839 490 27 Jun 2025 167th 21Joakim 837 491 30 Mar 2021 167th maxpelic 🇺🇸 837 491 8 Jul 2022 167th acollett89 837 491 18 Jun 2025 170th gnlow 🇰🇷 835 492 17 Apr 2020 171st KY246 830 495 12 Jun 2021 171st liamstrilchuk 830 495 10 Sep 2021 171st vjohannesb 830 495 23 Dec 2023 174th oitio 829 496 10 Feb 2020 174th alcoholick-dev 829 496 26 Apr 2021 174th CutOffFrequency 829 496 31 Oct 2022 174th Lv0Sys 🇵🇱 829 496 29 May 2025 178th Michiocre 827 497 20 Feb 2024 178th tcql 🇺🇸 827 497 21 Apr 2024 180th modellking 825 498 3 Jun 2020 181st leon-w 824 499 12 Oct 2018 181st vang1ong7ang 824 499 28 Oct 2021 181st unfinishedprogram 824 499 12 Dec 2023 184th adam-chalmers 822 500 5 Oct 2024 185th igmcdowell 820 501 3 Jan 2022 186th apokryfos 819 502 4 Aug 2023 187th bac0id 817 503 26 Jun 2024 188th skps2010 815 504 2 Jan 2019 188th EricUmakoshi 815 504 31 Aug 2024 188th deancureton 815 504 30 Dec 2024 191st MJKWoolnough 814 505 10 Aug 2022 191st JRaspass 🇬🇧 814 505 11 Oct 2022 191st eranws 814 505 23 Oct 2022 191st Yewzir 🇧🇪 814 505 17 Apr 2023 191st marcus-gomes-v 🇧🇷 814 505 23 Feb 2025 196th OmegaB0t 812 506 5 Dec 2019 196th dijs 812 506 8 Dec 2019 196th BloodStormKnight 812 506 16 Oct 2022 196th dev-Thae 812 506 6 Nov 2023 196th kydogia 812 506 28 Mar 2024 201st TRexOnGit 811 507 15 Jan 2024 202nd chris-munn 809 508 30 Nov 2023 202nd 4very 809 508 9 Jun 2025 204th matthewproskils 807 509 8 Sep 2020 204th ShiraJoseph 🇺🇸 807 509 21 Jul 2023 206th boxjelly 806 510 13 Feb 2021 206th aaronze 🇦🇺 806 510 24 Apr 2021 206th DialFrost 🇸🇬 806 510 24 Jan 2023 209th konpikwastaken 804 511 6 Sep 2021 209th ricardonunesdev 804 511 24 Nov 2023 209th TheDongle 804 511 30 Apr 2024 212th Nuottajarvi 803 512 10 Aug 2018 212th bitnimble 803 512 21 Oct 2021 214th ian-odonnell 801 513 12 Mar 2018 214th i-machine 801 513 28 Aug 2020 214th wansacis 🇩🇪 801 513 11 Nov 2021 217th avartanii 798 515 17 Jan 2021 217th E2dgar 798 515 29 Jan 2022 217th gajdosp2 798 515 27 Jun 2022 220th TheRandomTroll 797 516 20 Oct 2020 220th taredding 797 516 6 Oct 2021 222nd adoxography 795 517 30 Mar 2018 222nd exortech 795 517 22 May 2021 222nd tuxillator 795 517 13 May 2024 225th shaunjc 793 518 11 Jun 2021 Prev 151–225 of 391 Next