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 241st t1mp4 790 520 10ms 18 Aug 2023 241st gazhay 790 520 11ms 2 Jan 2025 243rd TheDarkThatBarks 787 522 8ms 28 Jan 2024 243rd MyXoToD 🇩🇪 787 522 9ms 5 May 2025 243rd Florian-Mt 787 522 10ms 4 Dec 2025 246th JackWorman 786 523 9ms 11 Aug 2019 247th fortuno01 784 524 9ms 15 Apr 2020 247th farberbrodsky 784 524 9ms 3 Aug 2020 249th Ivraj 783 525 9ms 9 Aug 2021 249th jorbDehmel 🇺🇸 783 525 9ms 15 Apr 2023 251st joakim-ronning 781 526 9ms 23 May 2023 251st Ephellon 781 526 10ms 16 Dec 2023 253rd d-capponi 🇦🇷 780 527 9ms 29 Apr 2021 253rd winstonyli 780 527 10ms 10 Oct 2021 253rd auribuo 780 527 9ms 28 Sep 2025 256th kapott 🇳🇱 778 528 9ms 11 Jan 2021 256th WilleyOhana 778 528 9ms 14 Jan 2022 258th Alucard0x1 775 530 10ms 15 Jul 2025 259th meenie 774 531 10ms 1 Jan 2021 259th MathisBullinger 774 531 9ms 31 Dec 2022 259th cyrilboyer 🇫🇷 774 531 9ms 21 Dec 2023 259th nick4333 774 531 9ms 10 Apr 2024 263rd jakethakur 773 532 10ms 30 Mar 2018 263rd JeanmarieJackman 773 532 9ms 17 Oct 2023 265th julianbenegas 771 533 9ms 10 May 2020 265th Pandapip1 771 533 9ms 20 Nov 2020 265th Weston49 771 533 11ms 11 Dec 2022 268th msbranicky 770 534 9ms 8 Sep 2023 269th kwoisphiosm 767 536 9ms 12 May 2021 270th TheMickeyMouse 765 537 9ms 31 Jul 2021 271st JustinDowty 764 538 9ms 12 Jun 2020 271st MichaelDarr 764 538 9ms 17 Apr 2024 273rd kraftwerk28 763 539 9ms 28 Aug 2020 273rd berenteb 🇭🇺 763 539 8ms 11 Dec 2020 273rd olavs69 763 539 9ms 8 Dec 2025 276th adicuco 760 541 9ms 17 Jan 2020 277th KevinLaux 757 543 9ms 4 Dec 2022 277th Alexander-Garcia 757 543 9ms 5 Dec 2023 279th tonyOreglia 756 544 9ms 5 Oct 2021 280th ltdroy 754 545 9ms 9 Dec 2023 281st shb9019 753 546 9ms 10 Mar 2020 281st dbkirk4211 753 546 9ms 3 May 2024 283rd Jimmy-b36 746 551 9ms 2 Nov 2022 284th Crysp 745 552 9ms 12 Feb 2020 284th ubunbun18 745 552 10ms 3 Dec 2025 286th benjamin-wunder 743 553 8ms 13 Nov 2022 287th macknive 742 554 10ms 10 Mar 2022 288th heigertd 739 556 10ms 27 May 2020 289th McErer 738 557 10ms 11 Jan 2019 289th Kibble 738 557 9ms 5 Oct 2020 291st Pablo-No 734 560 10ms 14 Jul 2020 292nd con-cs 733 561 9ms 22 Oct 2021 293rd Intevel 🇩🇪 726 566 10ms 27 Jun 2023 294th B3none 725 567 10ms 6 Oct 2022 295th ozkxr 724 568 9ms 27 Apr 2020 296th Bishwajit2u 722 569 9ms 16 Sep 2021 297th kenny14231 721 570 9ms 5 Aug 2022 298th mishojan 720 571 9ms 5 Nov 2020 299th omgmog 717 573 10ms 8 Aug 2022 299th demonischuk 717 573 10ms 10 Sep 2023 299th BenScattergood 717 573 9ms 13 Sep 2023 302nd mlwade 715 575 9ms 26 Apr 2022 302nd Lxkasmehl 715 575 10ms 11 Jul 2025 304th ChesterJFGould 714 576 9ms 5 Jun 2019 305th SirHig 712 577 9ms 2 Jan 2019 305th jesseb34r 712 577 9ms 1 Dec 2022 307th pbarath 711 578 9ms 6 Jun 2021 307th strubix 711 578 9ms 7 Jun 2023 309th mukulkesh 710 579 9ms 17 Sep 2021 310th DanSmelly 709 580 10ms 30 Apr 2020 311th baidan4855 704 584 10ms 16 Dec 2017 312th NoahGysin 703 585 9ms 24 Aug 2021 313th MicheleV 699 588 9ms 20 May 2018 314th jcwebhole 697 590 9ms 28 Jun 2018 314th blubbers122 697 590 10ms 19 Nov 2021 314th A11yship 697 590 9ms 31 Oct 2023 317th bortlicenseplates 695 591 9ms 24 Nov 2020 318th iburnez 693 593 9ms 9 Aug 2023 319th Proinsias62 688 597 10ms 15 Nov 2020 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