12 Days of Christmas in JavaScript in chars. 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 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 Chars Time Submitted 241st TheRandomTroll 422 516 9ms 20 Oct 2020 241st taredding 422 516 9ms 6 Oct 2021 243rd adoxography 422 517 9ms 30 Mar 2018 243rd exortech 422 517 10ms 22 May 2021 243rd tuxillator 422 517 11ms 13 May 2024 246th shaunjc 421 518 10ms 11 Jun 2021 246th adamnielson42 🇺🇸 421 518 9ms 30 May 2023 246th VegaQ8 421 518 9ms 8 Mar 2024 249th MFogleman 420 519 11ms 8 Jul 2020 249th RegularSalamander 420 519 11ms 29 Jan 2022 249th n3uromanc3r 420 519 9ms 3 Dec 2024 252nd t1mp4 419 520 10ms 18 Aug 2023 252nd gazhay 419 520 9ms 2 Jan 2025 254th TheDarkThatBarks 418 522 11ms 28 Jan 2024 254th MyXoToD 🇩🇪 418 522 11ms 5 May 2025 254th Florian-Mt 418 522 11ms 4 Dec 2025 257th JackWorman 417 523 9ms 11 Aug 2019 258th fortuno01 416 524 8ms 15 Apr 2020 258th farberbrodsky 416 524 9ms 3 Aug 2020 260th Ivraj 415 525 10ms 9 Aug 2021 260th jorbDehmel 🇺🇸 415 525 11ms 15 Apr 2023 262nd joakim-ronning 414 526 10ms 23 May 2023 262nd Ephellon 414 526 10ms 16 Dec 2023 264th d-capponi 🇦🇷 414 527 11ms 29 Apr 2021 264th winstonyli 414 527 10ms 10 Oct 2021 264th auribuo 414 527 10ms 28 Sep 2025 267th WilleyOhana 413 528 9ms 14 Jan 2022 268th Alucard0x1 411 530 10ms 15 Jul 2025 269th meenie 411 531 11ms 1 Jan 2021 269th nick4333 411 531 11ms 10 Apr 2024 271st jakethakur 410 532 10ms 30 Mar 2018 271st JeanmarieJackman 410 532 10ms 17 Oct 2023 273rd julianbenegas 409 533 10ms 10 May 2020 273rd Pandapip1 409 533 10ms 20 Nov 2020 273rd Weston49 409 533 9ms 11 Dec 2022 276th msbranicky 408 534 10ms 8 Sep 2023 277th kwoisphiosm 407 536 9ms 12 May 2021 278th TheMickeyMouse 406 537 10ms 31 Jul 2021 279th JustinDowty 405 538 11ms 12 Jun 2020 279th MichaelDarr 405 538 10ms 17 Apr 2024 281st kraftwerk28 404 539 10ms 28 Aug 2020 281st berenteb 🇭🇺 404 539 11ms 11 Dec 2020 281st olavs69 404 539 10ms 8 Dec 2025 284th adicuco 403 541 10ms 17 Jan 2020 285th KevinLaux 401 543 9ms 4 Dec 2022 285th Alexander-Garcia 401 543 8ms 5 Dec 2023 287th tonyOreglia 401 544 9ms 5 Oct 2021 288th ltdroy 400 545 11ms 9 Dec 2023 289th shb9019 399 546 10ms 10 Mar 2020 289th dbkirk4211 399 546 11ms 3 May 2024 291st Jimmy-b36 396 551 10ms 2 Nov 2022 292nd Crysp 395 552 9ms 12 Feb 2020 292nd ubunbun18 395 552 10ms 3 Dec 2025 294th benjamin-wunder 394 553 9ms 13 Nov 2022 295th macknive 394 554 10ms 10 Mar 2022 296th heigertd 392 556 9ms 27 May 2020 297th McErer 391 557 10ms 11 Jan 2019 297th Kibble 391 557 9ms 5 Oct 2020 299th Pablo-No 389 560 9ms 14 Jul 2020 300th con-cs 389 561 9ms 22 Oct 2021 301st Intevel 🇩🇪 385 566 9ms 27 Jun 2023 302nd B3none 384 567 9ms 6 Oct 2022 303rd ozkxr 384 568 9ms 27 Apr 2020 304th Bishwajit2u 383 569 10ms 16 Sep 2021 305th kenny14231 382 570 8ms 5 Aug 2022 306th mishojan 382 571 10ms 5 Nov 2020 307th omgmog 380 573 9ms 8 Aug 2022 307th demonischuk 380 573 11ms 10 Sep 2023 307th BenScattergood 380 573 10ms 13 Sep 2023 310th mlwade 379 575 10ms 26 Apr 2022 310th Lxkasmehl 379 575 9ms 11 Jul 2025 312th ChesterJFGould 378 576 9ms 5 Jun 2019 313th SirHig 378 577 10ms 2 Jan 2019 313th jesseb34r 378 577 9ms 1 Dec 2022 315th pbarath 377 578 9ms 6 Jun 2021 315th strubix 377 578 10ms 7 Jun 2023 317th mukulkesh 377 579 11ms 17 Sep 2021 318th DanSmelly 376 580 10ms 30 Apr 2020 319th baidan4855 373 584 9ms 16 Dec 2017 320th NoahGysin 373 585 10ms 24 Aug 2021 First Prev 241–320 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