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 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 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 226th adoxography 795 517 9ms 30 Mar 2018 226th exortech 795 517 9ms 22 May 2021 226th tuxillator 795 517 8ms 13 May 2024 229th shaunjc 793 518 10ms 11 Jun 2021 229th adamnielson42 🇺🇸 793 518 8ms 30 May 2023 229th VegaQ8 793 518 9ms 8 Mar 2024 232nd MFogleman 792 519 9ms 8 Jul 2020 232nd RegularSalamander 792 519 9ms 29 Jan 2022 232nd n3uromanc3r 792 519 9ms 3 Dec 2024 235th t1mp4 790 520 9ms 18 Aug 2023 235th gazhay 790 520 9ms 2 Jan 2025 237th TheDarkThatBarks 787 522 9ms 28 Jan 2024 237th MyXoToD 🇩🇪 787 522 9ms 5 May 2025 237th Florian-Mt 787 522 9ms 12 hours ago 240th JackWorman 786 523 8ms 11 Aug 2019 241st fortuno01 784 524 9ms 15 Apr 2020 241st farberbrodsky 784 524 8ms 3 Aug 2020 243rd Ivraj 783 525 9ms 9 Aug 2021 243rd jorbDehmel 🇺🇸 783 525 9ms 15 Apr 2023 245th joakim-ronning 781 526 9ms 23 May 2023 245th Ephellon 781 526 10ms 16 Dec 2023 247th d-capponi 🇦🇷 780 527 9ms 29 Apr 2021 247th winstonyli 780 527 8ms 10 Oct 2021 247th auribuo 780 527 9ms 28 Sep 2025 250th kapott 🇳🇱 778 528 9ms 11 Jan 2021 250th WilleyOhana 778 528 9ms 14 Jan 2022 252nd Alucard0x1 775 530 9ms 15 Jul 2025 253rd meenie 774 531 9ms 1 Jan 2021 253rd MathisBullinger 774 531 8ms 31 Dec 2022 253rd cyrilboyer 🇫🇷 774 531 9ms 21 Dec 2023 253rd nick4333 774 531 9ms 10 Apr 2024 257th jakethakur 773 532 9ms 30 Mar 2018 257th JeanmarieJackman 773 532 9ms 17 Oct 2023 259th julianbenegas 771 533 9ms 10 May 2020 259th Pandapip1 771 533 9ms 20 Nov 2020 259th Weston49 771 533 8ms 11 Dec 2022 259th Nemikolh 🇫🇷 771 533 9ms 5 Aug 2025 263rd msbranicky 770 534 9ms 8 Sep 2023 264th kwoisphiosm 767 536 9ms 12 May 2021 265th mickeyMouse1108 765 537 8ms 31 Jul 2021 266th JustinDowty 764 538 9ms 12 Jun 2020 266th MichaelDarr 764 538 9ms 17 Apr 2024 268th kraftwerk28 763 539 9ms 28 Aug 2020 268th berenteb 🇭🇺 763 539 9ms 11 Dec 2020 270th adicuco 760 541 8ms 17 Jan 2020 271st KevinLaux 757 543 9ms 4 Dec 2022 271st Alexander-Garcia 757 543 8ms 5 Dec 2023 273rd tonyOreglia 756 544 9ms 5 Oct 2021 274th ltdroy 754 545 9ms 9 Dec 2023 275th shb9019 753 546 9ms 10 Mar 2020 275th dbkirk4211 753 546 9ms 3 May 2024 277th Jimmy-b36 746 551 8ms 2 Nov 2022 278th Crysp 745 552 9ms 12 Feb 2020 278th ubunbun18 745 552 8ms 44 hours ago 280th benjamin-wunder 743 553 9ms 13 Nov 2022 281st macknive 742 554 9ms 10 Mar 2022 282nd heigertd 739 556 9ms 27 May 2020 283rd McErer 738 557 8ms 11 Jan 2019 283rd Kibble 738 557 8ms 5 Oct 2020 285th Pablo-No 734 560 8ms 14 Jul 2020 286th con-cs 733 561 9ms 22 Oct 2021 287th Intevel 🇩🇪 726 566 9ms 27 Jun 2023 288th B3none 725 567 9ms 6 Oct 2022 289th ozkxr 724 568 9ms 27 Apr 2020 290th Bishwajit2u 722 569 10ms 16 Sep 2021 291st kenny14231 721 570 8ms 5 Aug 2022 292nd mishojan 720 571 8ms 5 Nov 2020 293rd omgmog 717 573 9ms 8 Aug 2022 293rd demonischuk 717 573 9ms 10 Sep 2023 293rd BenScattergood 717 573 9ms 13 Sep 2023 296th mlwade 715 575 8ms 26 Apr 2022 296th Lxkasmehl 715 575 9ms 11 Jul 2025 298th ChesterJFGould 714 576 9ms 5 Jun 2019 299th SirHig 712 577 9ms 2 Jan 2019 299th jesseb34r 712 577 9ms 1 Dec 2022 First Prev 226–300 of 401 Next Last
