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 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 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 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 150th dee-gomma 911 45 8ms 27 Mar 2019 150th Cr3aHal0 911 45 9ms 2 Jul 2019 150th StefanTifrea 911 45 8ms 15 Jul 2020 150th Non-J 911 45 10ms 27 Sep 2020 150th ryandougc 911 45 9ms 17 Dec 2020 150th ForkKILLET 🇨🇳 911 45 9ms 18 Feb 2021 150th UBKorkut 911 45 8ms 10 Mar 2021 150th neihousaigaai 911 45 9ms 8 May 2021 150th SpareManiKatti 911 45 9ms 14 Oct 2021 150th danielb7390 911 45 9ms 9 Mar 2022 150th WebDevPT 🇵🇹 911 45 9ms 10 Mar 2022 150th CiucaRazvan 911 45 9ms 29 Jul 2022 150th SirFireball3521 911 45 9ms 1 Nov 2022 150th astdefu 911 45 9ms 10 Dec 2022 150th Betuaredead 911 45 10ms 4 Jan 2023 150th Mazn3k 911 45 11ms 15 Mar 2023 150th ejini6969 911 45 9ms 25 Mar 2023 150th raszpi 🇭🇺 911 45 9ms 2 Sep 2023 150th mulmul9 🇭🇺 911 45 9ms 7 Sep 2023 150th FruzsinaLenti 911 45 9ms 8 Sep 2023 150th junkondo-jp 911 45 10ms 6 May 2024 150th Mabeloid 🇳🇴 911 45 9ms 14 Oct 2024 150th shandriy 911 45 9ms 8 Nov 2024 150th Salutations45 911 45 8ms 12 Nov 2024 150th 823126 911 45 9ms 9 Dec 2024 150th Garklein 🇨🇦 911 45 8ms 6 Jan 2025 150th jake6192 911 45 9ms 17 May 2025 150th albanian-laundromat 911 45 9ms 1 Sep 2025 150th iczelia 🇩🇪 911 45 9ms 25 Sep 2025 150th snoozingnewt 🇺🇸 911 45 8ms 14 Oct 2025 181st oparisblue 891 46 8ms 24 Mar 2019 181st mrxz 🇳🇱 891 46 9ms 23 Jun 2019 181st alexkunin 891 46 9ms 3 Jul 2019 181st EFHIII 891 46 9ms 16 Aug 2020 181st yzhs 🇩🇪 891 46 12ms 20 Aug 2020 181st hyvyys 891 46 9ms 18 Sep 2020 181st bastienvoirin 🇫🇷 891 46 9ms 28 Nov 2020 181st Re-Adventures 🇮🇳 891 46 9ms 25 Mar 2021 181st PGPereira 891 46 8ms 27 Mar 2021 181st con-cs 891 46 9ms 18 Oct 2021 181st ledietz 891 46 9ms 16 Feb 2022 181st zakariamouhid 891 46 9ms 20 May 2023 181st adriweb 🇫🇷 891 46 9ms 28 Aug 2023 181st stellartux 891 46 9ms 27 Dec 2023 181st itserasmus 891 46 9ms 26 Jan 2024 181st HumanoidCPU 891 46 9ms 19 Feb 2024 181st rollershutter 891 46 8ms 4 Jul 2024 181st deancureton 891 46 8ms 29 Dec 2024 181st duckyluuk 🇳🇱 891 46 9ms 22 Jan 2025 181st acer-xq 891 46 9ms 4 Feb 2025 181st BalaM314 891 46 8ms 8 Feb 2025 181st Laellekoenig 891 46 9ms 22 Oct 2025 203rd NatNgs 872 47 10ms 9 Jan 2020 203rd Hydrophobefireman 872 47 9ms 16 Jul 2020 203rd patterson-tom 872 47 9ms 9 Sep 2020 203rd jake-freeman 872 47 9ms 10 Sep 2020 203rd undefined-moe 872 47 11ms 23 Feb 2021 203rd Hacksore 🇺🇸 872 47 8ms 18 Aug 2021 203rd MathisBullinger 872 47 10ms 14 Nov 2021 203rd BambooleanLogic 🇸🇪 872 47 9ms 26 Nov 2021 203rd uttumuttu 🇫🇮 872 47 8ms 4 Jan 2022 203rd Setvizan 872 47 8ms 14 Apr 2022 203rd uiamn 872 47 10ms 9 Sep 2022 203rd CatsAreFluffy 872 47 8ms 19 Feb 2023 203rd amiralitaheri 872 47 9ms 23 Feb 2023 203rd Andrey-Plotnikov 872 47 9ms 22 Aug 2023 203rd MWI-polygolf 872 47 9ms 6 Dec 2023 203rd steffan-polygolf 872 47 9ms 14 Feb 2024 203rd alex742 872 47 8ms 18 Jul 2024 203rd Sephirem98 872 47 8ms 27 Aug 2024 203rd allistersascha 872 47 9ms 27 Sep 2024 222nd mintypython 854 48 10ms 7 Dec 2018 222nd oscarlvp 854 48 9ms 30 Apr 2019 222nd Ranner198 854 48 9ms 14 Nov 2019 222nd gnlow 🇰🇷 854 48 9ms 3 May 2020 First Prev 151–225 of 474 Next Last