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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 150th predyy 851 483 8ms 29 Jun 2022 150th lewdev 🇺🇸 851 483 9ms 12 Feb 2023 150th SiddharthShyniben 851 483 9ms 1 Dec 2024 154th matiasbontempo 849 484 8ms 9 Sep 2022 154th Quadruplay 849 484 8ms 20 Dec 2024 156th gunnermanx 847 485 9ms 25 Jan 2019 156th chloeching-amino 847 485 9ms 24 May 2020 156th revlayle 🇺🇸 847 485 8ms 16 Feb 2021 156th CubeyTheCube 847 485 8ms 9 Aug 2022 156th johnkiernander 847 485 9ms 4 hours ago 161st fitzdotlol 🇺🇸 846 486 9ms 20 Mar 2022 161st Larento 846 486 9ms 14 Oct 2023 163rd NatNgs 844 487 8ms 8 Jan 2020 163rd KaeruCT 844 487 9ms 2 Dec 2020 163rd mcculloughjchris 844 487 8ms 31 Oct 2022 163rd madex 🇩🇪 844 487 9ms 19 Dec 2024 167th dzshn 842 488 9ms 14 Apr 2021 167th vlad-ushakov 842 488 9ms 22 Mar 2023 169th josh18994 839 490 9ms 8 Dec 2021 169th non-bin 839 490 8ms 27 Jun 2025 171st 21Joakim 837 491 9ms 30 Mar 2021 171st maxpelic 🇺🇸 837 491 8ms 8 Jul 2022 171st acollett89 837 491 8ms 18 Jun 2025 174th gnlow 🇰🇷 835 492 9ms 17 Apr 2020 175th KY246 830 495 9ms 12 Jun 2021 175th liamstrilchuk 830 495 9ms 10 Sep 2021 175th vjohannesb 830 495 9ms 23 Dec 2023 178th oitio 829 496 9ms 10 Feb 2020 178th alcoholick-dev 829 496 8ms 26 Apr 2021 178th CutOffFrequency 829 496 9ms 31 Oct 2022 178th Lv0Sys 🇵🇱 829 496 9ms 29 May 2025 182nd Michiocre 827 497 9ms 20 Feb 2024 182nd tcql 🇺🇸 827 497 9ms 21 Apr 2024 184th modellking 825 498 8ms 3 Jun 2020 185th leon-w 824 499 8ms 12 Oct 2018 185th vang1ong7ang 824 499 8ms 28 Oct 2021 185th unfinishedprogram 824 499 8ms 12 Dec 2023 188th adam-chalmers 822 500 9ms 5 Oct 2024 189th igmcdowell 820 501 8ms 3 Jan 2022 190th apokryfos 819 502 9ms 4 Aug 2023 191st bac0id 817 503 8ms 26 Jun 2024 192nd skps2010 815 504 9ms 2 Jan 2019 192nd EricUmakoshi 815 504 9ms 31 Aug 2024 192nd deancureton 815 504 9ms 30 Dec 2024 195th MJKWoolnough 814 505 9ms 10 Aug 2022 195th JRaspass 🇬🇧 814 505 8ms 11 Oct 2022 195th eranws 814 505 9ms 23 Oct 2022 195th Yewzir 🇧🇪 814 505 8ms 17 Apr 2023 195th marcus-gomes-v 🇧🇷 814 505 8ms 23 Feb 2025 200th OmegaB0t 812 506 9ms 5 Dec 2019 200th dijs 812 506 9ms 8 Dec 2019 200th BloodStormKnight 812 506 8ms 16 Oct 2022 200th dev-Thae 812 506 9ms 6 Nov 2023 200th kydogia 812 506 9ms 28 Mar 2024 205th TRexOnGit 811 507 9ms 15 Jan 2024 206th chris-munn 809 508 9ms 30 Nov 2023 206th 4very 809 508 9ms 9 Jun 2025 208th matthewproskils 807 509 8ms 8 Sep 2020 208th ShiraJoseph 🇺🇸 807 509 9ms 21 Jul 2023 210th boxjelly 806 510 8ms 13 Feb 2021 210th aaronze 🇦🇺 806 510 8ms 24 Apr 2021 210th DialFrost 🇸🇬 806 510 9ms 24 Jan 2023 213th konpikwastaken 804 511 9ms 6 Sep 2021 213th ricardonunesdev 804 511 8ms 24 Nov 2023 213th TheDongle 804 511 9ms 30 Apr 2024 216th Nuottajarvi 803 512 9ms 10 Aug 2018 216th bitnimble 803 512 9ms 21 Oct 2021 216th iczelia 🇩🇪 803 512 9ms 14 Oct 2025 219th ian-odonnell 801 513 9ms 12 Mar 2018 219th i-machine 801 513 8ms 28 Aug 2020 219th wansacis 🇩🇪 801 513 9ms 11 Nov 2021 222nd avartanii 798 515 9ms 17 Jan 2021 222nd E2dgar 798 515 9ms 29 Jan 2022 222nd gajdosp2 798 515 9ms 27 Jun 2022 225th TheRandomTroll 797 516 9ms 20 Oct 2020 First Prev 151–225 of 403 Next Last
