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Leap Years 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 154th UBKorkut 911 45 10ms 10 Mar 2021 154th neihousaigaai 911 45 9ms 8 May 2021 154th SpareManiKatti 911 45 9ms 14 Oct 2021 154th danielb7390 911 45 10ms 9 Mar 2022 154th WebDevPT 🇵🇹 911 45 10ms 10 Mar 2022 154th CiucaRazvan 911 45 10ms 29 Jul 2022 154th SirFireball3521 911 45 9ms 1 Nov 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184th con-cs 891 46 9ms 18 Oct 2021 184th ledietz 891 46 9ms 16 Feb 2022 184th zakariamouhid 891 46 10ms 20 May 2023 184th adriweb 🇫🇷 891 46 10ms 28 Aug 2023 184th stellartux 891 46 10ms 27 Dec 2023 184th itserasmus 891 46 9ms 26 Jan 2024 184th HumanoidCPU 891 46 9ms 19 Feb 2024 184th rollershutter 891 46 10ms 4 Jul 2024 184th deancureton 891 46 10ms 29 Dec 2024 184th duckyluuk 🇳🇱 891 46 9ms 22 Jan 2025 184th acer-xq 891 46 9ms 4 Feb 2025 184th BalaM314 891 46 9ms 8 Feb 2025 184th Laellekoenig 891 46 9ms 22 Oct 2025 206th NatNgs 872 47 9ms 9 Jan 2020 206th Hydrophobefireman 872 47 9ms 16 Jul 2020 206th patterson-tom 872 47 9ms 9 Sep 2020 206th jake-freeman 872 47 9ms 10 Sep 2020 206th undefined-moe 872 47 10ms 23 Feb 2021 206th Hacksore 🇺🇸 872 47 9ms 18 Aug 2021 206th MathisBullinger 872 47 9ms 14 Nov 2021 206th BambooleanLogic 🇸🇪 872 47 10ms 26 Nov 2021 206th uttumuttu 🇫🇮 872 47 11ms 4 Jan 2022 206th Setvizan 872 47 10ms 14 Apr 2022 206th uiamn 872 47 10ms 9 Sep 2022 206th CatsAreFluffy 872 47 9ms 19 Feb 2023 206th amiralitaheri 872 47 8ms 23 Feb 2023 206th Andrey-Plotnikov 872 47 9ms 22 Aug 2023 206th MWI-polygolf 872 47 9ms 6 Dec 2023 206th steffan-polygolf 872 47 10ms 14 Feb 2024 206th alex742 872 47 9ms 18 Jul 2024 206th Sephirem98 872 47 9ms 27 Aug 2024 206th allistersascha 872 47 12ms 27 Sep 2024 225th mintypython 854 48 9ms 7 Dec 2018 225th oscarlvp 854 48 9ms 30 Apr 2019 225th Ranner198 854 48 9ms 14 Nov 2019 225th gnlow 🇰🇷 854 48 9ms 3 May 2020 225th tscherter 854 48 9ms 6 Dec 2020 225th stadamdoki 854 48 9ms 6 Apr 2021 225th devinwelch 854 48 9ms 7 Oct 2021 225th Michal-Miky-Jankovsky 854 48 9ms 20 Nov 2021 225th ThibWillFulll 854 48 9ms 5 May 2022 225th iliazeus 854 48 9ms 3 Sep 2022 225th FilipMyhren 854 48 9ms 23 Nov 2022 225th FrederikHutfless 🇩🇪 854 48 9ms 22 Dec 2022 225th Igyeom 🇰🇷 854 48 9ms 12 Jun 2023 225th Isaac-NTT 854 48 9ms 7 Jul 2023 225th AndFly33 854 48 9ms 7 Jul 2023 225th AustinH-Ntt 854 48 9ms 7 Jul 2023 First Prev 161–240 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