Leap Years 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 231st FilipMyhren 833 48 10ms 23 Nov 2022 231st FrederikHutfless 🇩🇪 833 48 9ms 22 Dec 2022 231st Igyeom 🇰🇷 833 48 12ms 12 Jun 2023 231st Isaac-NTT 833 48 13ms 7 Jul 2023 231st AndFly33 833 48 12ms 7 Jul 2023 231st AustinH-Ntt 833 48 11ms 7 Jul 2023 231st johnburton0517 833 48 11ms 7 Jul 2023 231st coreynash 833 48 12ms 27 Oct 2023 231st sparksis 🇨🇦 833 48 9ms 20 Nov 2023 231st TheLastZombie 833 48 9ms 15 May 2024 231st Jacob385 833 48 11ms 3 Sep 2024 231st eranws 833 48 11ms 23 Dec 2024 253rd juntuu 816 49 12ms 24 Mar 2019 253rd Mikaeel66 816 49 10ms 11 Nov 2019 253rd jeffreymeng 816 49 10ms 24 Nov 2019 253rd Kibble 816 49 11ms 11 Jul 2020 253rd richard-oelze 🇩🇪 816 49 10ms 11 Jul 2020 253rd masashimachida 816 49 9ms 29 Jul 2020 253rd ArmaanAS 816 49 12ms 8 Mar 2021 253rd RedstoneTim 816 49 10ms 26 Jun 2021 253rd Foxinatel 816 49 9ms 22 Aug 2021 253rd olivermrose 🇺🇸 816 49 9ms 23 Aug 2021 253rd lukaskairys 816 49 10ms 25 Sep 2021 253rd Giga-Bowser 816 49 11ms 5 Jan 2022 253rd c0d3-4-F00d 🇩🇪 816 49 12ms 9 Feb 2022 253rd owen-c-parker 🇺🇸 816 49 10ms 31 Mar 2023 253rd Inbarw100 816 49 12ms 10 Jun 2023 253rd Evankhell0 816 49 11ms 28 Jul 2023 253rd NickTheEASDude 🇺🇸 816 49 10ms 18 Jan 2024 253rd dijs 816 49 11ms 8 Mar 2024 253rd xyangst 816 49 11ms 26 Sep 2024 253rd ffelixm 816 49 9ms 30 May 2025 253rd a6166231 🇨🇳 816 49 11ms 3 Jun 2025 253rd johnkiernander 816 49 9ms 16 Dec 2025 275th mikerees 800 50 10ms 1 Aug 2019 275th jakobwitte 800 50 11ms 5 Mar 2020 275th vgroen 800 50 10ms 31 May 2020 275th ibeucaly 800 50 12ms 22 Oct 2021 275th Romain-1 🇫🇷 800 50 10ms 29 Apr 2022 275th 7f-galaxii 800 50 12ms 7 Dec 2022 275th dgerblick 800 50 12ms 16 Jun 2023 275th deniz-blue 800 50 11ms 20 Oct 2023 275th SpiritAxolotl 🇺🇸 800 50 9ms 21 Mar 2024 275th codingisgreatbutiamnot 800 50 9ms 14 Aug 2024 275th henrygagnier 800 50 10ms 19 Nov 2024 275th alexsave 800 50 10ms 13 Oct 2025 287th ly0va 784 51 10ms 6 Jan 2019 287th tomh1012 784 51 10ms 5 Sep 2020 287th VegaQ8 784 51 10ms 26 Nov 2020 287th Seanharrs 🇦🇺 784 51 10ms 15 Dec 2021 287th fourth-bit 784 51 9ms 14 Jan 2022 287th Ashikpaul 🇮🇳 784 51 14ms 24 Jul 2022 287th Bananapants22 784 51 13ms 20 Aug 2022 287th GreenBeansAgainstVeganism 784 51 11ms 14 Jan 2023 287th daniel-cardone 784 51 14ms 24 Aug 2023 287th Florian-Mt 784 51 10ms 29 Sep 2023 287th sulphemi 784 51 10ms 5 Mar 2024 287th dtbao20 🇻🇳 784 51 10ms 1 Oct 2024 287th Ralac07 🇦🇺 784 51 10ms 27 Oct 2025 300th Chegleyev 769 52 10ms 2 Feb 2020 300th abcxff 769 52 13ms 11 Apr 2021 300th mandm-pt 769 52 11ms 1 Jul 2021 300th Destrings2 🇨🇴 769 52 12ms 14 Jul 2021 300th stefangabos 🇷🇴 769 52 9ms 15 Jul 2021 300th aazuspan 769 52 12ms 3 May 2022 300th Ephellon 769 52 10ms 2 Dec 2022 300th ShiraJoseph 🇺🇸 769 52 10ms 12 Apr 2023 300th lewdev 🇺🇸 769 52 12ms 3 Jul 2024 300th UllmaDan 769 52 10ms 27 Aug 2024 310th McErer 755 53 10ms 11 Jan 2019 310th felixpackard 755 53 10ms 15 Mar 2020 310th dylanpyle 755 53 13ms 28 Apr 2020 310th dsntzn 🇸🇰 755 53 11ms 9 Aug 2020 310th SkimnerPhi 755 53 10ms 5 Dec 2020 310th pbarath 755 53 10ms 6 Apr 2021 310th 23rdIdiot 755 53 12ms 28 Aug 2021 310th liamstrilchuk 755 53 59ms 7 Sep 2021 310th AnnoyedArt1256 755 53 14ms 12 Jan 2022 310th JayantaNath 755 53 11ms 13 May 2022 310th blobotic 755 53 13ms 13 Jun 2023 First Prev 241–320 of 485 Next Last