12 Days of Christmas in JavaScript in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 160th chloeching-amino 847 485 9ms 24 May 2020 160th revlayle 🇺🇸 847 485 9ms 16 Feb 2021 160th CubeyTheCube 847 485 9ms 9 Aug 2022 160th johnkiernander 847 485 9ms 10 Dec 2025 160th Nemikolh 🇫🇷 847 485 9ms 23 Dec 2025 166th fitzdotlol 🇺🇸 846 486 9ms 20 Mar 2022 166th Larento 846 486 9ms 14 Oct 2023 168th NatNgs 844 487 9ms 8 Jan 2020 168th KaeruCT 844 487 9ms 2 Dec 2020 168th mcculloughjchris 844 487 10ms 31 Oct 2022 168th madex 🇩🇪 844 487 9ms 19 Dec 2024 172nd dzshn 842 488 9ms 14 Apr 2021 172nd vlad-ushakov 842 488 10ms 22 Mar 2023 174th josh18994 839 490 8ms 8 Dec 2021 174th non-bin 839 490 9ms 27 Jun 2025 176th 21Joakim 837 491 9ms 30 Mar 2021 176th maxpelic 🇺🇸 837 491 10ms 8 Jul 2022 176th acollett89 837 491 9ms 18 Jun 2025 179th gnlow 🇰🇷 835 492 9ms 17 Apr 2020 180th KY246 830 495 10ms 12 Jun 2021 180th liamstrilchuk 830 495 9ms 10 Sep 2021 180th vjohannesb 830 495 8ms 23 Dec 2023 183rd oitio 829 496 9ms 10 Feb 2020 183rd alcoholick-dev 829 496 10ms 26 Apr 2021 183rd CutOffFrequency 829 496 9ms 31 Oct 2022 183rd Lv0Sys 🇵🇱 829 496 9ms 29 May 2025 187th Michiocre 827 497 9ms 20 Feb 2024 187th tcql 🇺🇸 827 497 9ms 21 Apr 2024 187th jusaka 827 497 11ms 67 mins ago 190th modellking 825 498 9ms 3 Jun 2020 191st leon-w 824 499 9ms 12 Oct 2018 191st vang1ong7ang 824 499 9ms 28 Oct 2021 191st unfinishedprogram 824 499 9ms 12 Dec 2023 194th adam-chalmers 822 500 10ms 5 Oct 2024 195th igmcdowell 820 501 10ms 3 Jan 2022 196th apokryfos 819 502 9ms 4 Aug 2023 197th bac0id 817 503 9ms 26 Jun 2024 198th skps2010 815 504 9ms 2 Jan 2019 198th EricUmakoshi 815 504 9ms 31 Aug 2024 198th deancureton 815 504 9ms 30 Dec 2024 201st MJKWoolnough 814 505 10ms 10 Aug 2022 201st JRaspass 🇬🇧 814 505 9ms 11 Oct 2022 201st eranws 814 505 9ms 23 Oct 2022 201st Yewzir 🇧🇪 814 505 9ms 17 Apr 2023 201st marcus-gomes-v 🇧🇷 814 505 9ms 23 Feb 2025 206th OmegaB0t 812 506 9ms 5 Dec 2019 206th dijs 812 506 9ms 8 Dec 2019 206th BloodStormKnight 812 506 8ms 16 Oct 2022 206th dev-Thae 812 506 9ms 6 Nov 2023 206th kydogia 812 506 9ms 28 Mar 2024 211th TRexOnGit 811 507 8ms 15 Jan 2024 212th chris-munn 809 508 9ms 30 Nov 2023 212th 4very 809 508 9ms 9 Jun 2025 214th matthewproskils 807 509 10ms 8 Sep 2020 214th ShiraJoseph 🇺🇸 807 509 10ms 21 Jul 2023 216th boxjelly 806 510 9ms 13 Feb 2021 216th aaronze 🇦🇺 806 510 9ms 24 Apr 2021 218th konpikwastaken 804 511 9ms 6 Sep 2021 218th ricardonunesdev 804 511 9ms 24 Nov 2023 218th TheDongle 804 511 9ms 30 Apr 2024 221st Nuottajarvi 803 512 9ms 10 Aug 2018 221st bitnimble 803 512 9ms 21 Oct 2021 221st iczelia 🇩🇪 803 512 8ms 14 Oct 2025 224th ian-odonnell 801 513 9ms 12 Mar 2018 224th i-machine 801 513 9ms 28 Aug 2020 224th wansacis 🇩🇪 801 513 9ms 11 Nov 2021 227th avartanii 798 515 10ms 17 Jan 2021 227th E2dgar 798 515 9ms 29 Jan 2022 227th gajdosp2 798 515 10ms 27 Jun 2022 230th TheRandomTroll 797 516 9ms 20 Oct 2020 230th taredding 797 516 8ms 6 Oct 2021 232nd adoxography 795 517 9ms 30 Mar 2018 232nd exortech 795 517 9ms 22 May 2021 232nd tuxillator 795 517 8ms 13 May 2024 235th shaunjc 793 518 9ms 11 Jun 2021 235th adamnielson42 🇺🇸 793 518 9ms 30 May 2023 235th VegaQ8 793 518 8ms 8 Mar 2024 238th MFogleman 792 519 10ms 8 Jul 2020 238th RegularSalamander 792 519 10ms 29 Jan 2022 238th n3uromanc3r 792 519 8ms 3 Dec 2024 First Prev 161–240 of 408 Next Last
