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 NFA Simulator 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 NFA Simulator 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 71st two-bad 🇬🇧 888 463 9ms 3 Feb 2024 71st targrik 888 463 8ms 7 Feb 2025 71st dokutan 888 463 9ms 20 Apr 2025 79th didion0 🇺🇸 886 464 8ms 8 Jan 2021 79th CatsAreFluffy 886 464 9ms 18 Dec 2022 79th iliazeus 886 464 9ms 10 Mar 2023 79th TheRealOhead 🇺🇸 886 464 8ms 29 Mar 2023 79th crammond 886 464 9ms 14 Aug 2023 79th Maznek 886 464 8ms 27 Dec 2023 79th thadeucity 886 464 8ms 23 May 2025 79th alexsave 886 464 8ms 16 Sep 2025 87th thantos 884 465 8ms 21 Feb 2018 87th m1el 884 465 8ms 28 Aug 2020 87th CaedenHarper 🇨🇦 884 465 8ms 6 Sep 2025 90th Giga-Bowser 882 466 9ms 4 Jan 2022 90th draem 882 466 9ms 31 Jul 2024 90th c-py 882 466 8ms 1 Nov 2025 90th tomh1012 882 466 9ms 64 mins ago 94th Natanaelel 🇸🇪 880 467 9ms 11 Sep 2021 94th SirBogman 🇺🇸 880 467 9ms 10 Dec 2021 94th GeorgeStechman 🇬🇧 880 467 8ms 20 Sep 2022 94th DayDun 🇸🇪 880 467 9ms 19 Jan 2023 94th strattonwhisler 880 467 9ms 27 Mar 2025 94th Andrey-Plotnikov 880 467 8ms 27 Jun 2025 100th dsntzn 🇸🇰 878 468 9ms 9 Aug 2020 100th lowlighter 878 468 9ms 30 Oct 2020 100th SpareManiKatti 878 468 9ms 11 Sep 2021 100th akshatj27 🇦🇶 878 468 9ms 11 Jan 2022 100th pineapplebox 878 468 9ms 11 Feb 2022 100th Cazka 878 468 9ms 12 Feb 2022 100th BambooleanLogic 🇸🇪 878 468 9ms 19 Oct 2023 107th mintypython 876 469 8ms 19 Oct 2018 107th rexim 876 469 8ms 28 Aug 2020 107th DaCuteRaccoon 876 469 9ms 30 Nov 2022 110th alexkunin 874 470 8ms 4 Jul 2019 110th guliyevemil1 🇦🇿 874 470 8ms 20 Apr 2020 110th RedstoneTim 874 470 8ms 30 Jun 2021 110th Tejas-H5 874 470 9ms 10 Apr 2022 110th kordrun 874 470 9ms 27 Jun 2022 110th JOrE20 🇺🇸 874 470 9ms 1 Nov 2025 116th pg98 873 471 9ms 14 Mar 2018 116th hpr 873 471 8ms 12 Jun 2021 116th dylanarmstrong 873 471 9ms 3 Jan 2024 116th XenThe 🇬🇧 873 471 9ms 3 Sep 2025 120th FrederikHutfless 🇩🇪 871 472 8ms 23 Dec 2022 121st sethimcclaine 869 473 8ms 5 Apr 2019 121st MiffOttah 869 473 9ms 11 May 2020 121st richard-oelze 🇩🇪 869 473 9ms 2 Dec 2020 121st qpwoeirut 869 473 8ms 11 Oct 2025 125th jackkav 867 474 9ms 24 Jun 2018 125th ArmaanAS 867 474 9ms 4 Jul 2021 125th Protothor 867 474 8ms 8 Jun 2025 128th alexislours 865 475 9ms 5 Mar 2023 128th chartung17 865 475 9ms 1 Jan 2024 130th hyvyys 863 476 9ms 18 Sep 2020 130th PatrickStephansen 🇿🇦 863 476 9ms 2 Mar 2021 130th itserasmus 863 476 9ms 25 Jan 2024 130th Moreallure 863 476 9ms 4 May 2024 130th hacker112 🇸🇪 863 476 8ms 17 Jun 2024 130th daniel-michel 863 476 9ms 7 Dec 2024 130th a6166231 🇨🇳 863 476 8ms 20 Jun 2025 137th Re-Adventures 🇮🇳 862 477 8ms 5 Oct 2020 137th zakariamouhid 862 477 8ms 18 May 2023 137th dacoconutchemist 862 477 8ms 29 May 2024 137th tomavc 862 477 8ms 23 Jun 2025 141st dscholtz-lab49 860 478 9ms 19 May 2023 142nd alasdair-greenland 858 479 8ms 12 Nov 2021 142nd ollyspooner 858 479 9ms 22 Sep 2023 142nd HumanoidCPU 858 479 8ms 5 May 2024 142nd Ralac07 🇦🇺 858 479 9ms 18 Apr 2025 146th LoLoLucky 856 480 8ms 7 Dec 2020 147th anders-nom 854 481 8ms 15 Jan 2020 148th mcapodici 853 482 8ms 10 Aug 2020 148th piano-miles 853 482 8ms 12 Mar 2023 150th itsh01 851 483 9ms 16 Mar 2022 First Prev 76–150 of 401 Next Last