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 Multitap Input 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 Multitap Input 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 373rd kozgera 707 58 9ms 6 Apr 2021 373rd arrudagates 707 58 9ms 24 Jun 2021 373rd p-vf 🇨🇭 707 58 8ms 13 Oct 2021 373rd Great-Gamer 707 58 9ms 25 Feb 2022 373rd mckymsh 707 58 9ms 27 Feb 2022 373rd Ploverums 707 58 9ms 28 Sep 2022 373rd genius257 707 58 8ms 3 Oct 2022 373rd jorbDehmel 🇺🇸 707 58 9ms 27 Feb 2023 373rd InspectorBoat 707 58 9ms 25 Oct 2023 385th WIPocket 695 59 9ms 30 Dec 2018 385th blucky36 695 59 8ms 27 Feb 2019 385th wrauner 695 59 8ms 16 Aug 2019 385th Matojeje 695 59 9ms 12 Dec 2019 385th 8davidb8 695 59 9ms 10 Jun 2020 385th KaeruCT 695 59 9ms 7 Oct 2020 385th Secozzi 695 59 8ms 20 Oct 2020 385th ffflorian 695 59 8ms 23 Nov 2020 385th JosephAbbey 695 59 9ms 6 Apr 2022 385th bwenstar 695 59 9ms 11 Aug 2022 385th WoodStuff 🇵🇱 695 59 8ms 3 Jun 2023 385th kwilson151 695 59 9ms 7 Jul 2023 385th Yareeeema 695 59 9ms 11 Oct 2023 385th iCyuba 695 59 9ms 15 Oct 2023 385th Palladium02 695 59 9ms 26 May 2025 400th ciaranmag 683 60 8ms 25 Jan 2019 400th TTWNO 683 60 9ms 8 Apr 2019 400th islonely 683 60 9ms 26 Apr 2019 400th florton 683 60 9ms 19 Mar 2021 400th peculiarination 683 60 9ms 30 Apr 2021 400th baby-steve 683 60 9ms 5 May 2021 400th BillyBobFry 683 60 9ms 22 Oct 2021 400th gurglemurgle5 683 60 9ms 15 Feb 2022 400th mayrop 683 60 9ms 4 Nov 2022 400th janleigh 🇵🇭 683 60 9ms 23 Sep 2023 400th xShadowBlade 683 60 9ms 19 May 2024 411th Pandapip1 672 61 9ms 11 Feb 2021 411th evalPenny 🇰🇷 672 61 9ms 6 Jul 2021 411th scottjones4k 672 61 9ms 5 Jul 2022 414th ptforness 661 62 8ms 1 Jan 2023 415th vidmantasa 651 63 9ms 23 Sep 2021 415th jamespeilunli 651 63 8ms 20 Mar 2022 415th adamnielson42 🇺🇸 651 63 9ms 24 Apr 2023 415th notesz5 651 63 8ms 5 Sep 2023 415th Voltrifrodec 🇸🇰 651 63 9ms 23 Apr 2025 415th MyXoToD 🇩🇪 651 63 8ms 20 May 2025 421st TrAyZeN 641 64 9ms 19 Aug 2019 421st yencis 641 64 9ms 18 Feb 2020 421st ahorihan 641 64 9ms 3 Aug 2022 421st Dddatt 641 64 9ms 22 Jan 2025 425th shreyasminocha 631 65 9ms 2 Aug 2020 425th lucipas 631 65 9ms 10 May 2024 427th effin 621 66 9ms 10 May 2019 427th MaartenStaa 621 66 9ms 5 Jan 2020 427th Designer023 621 66 9ms 8 Feb 2020 427th JustinDowty 621 66 9ms 12 Jun 2020 427th SebassNoob 621 66 9ms 5 Aug 2025 432nd jonot-cyber 612 67 9ms 16 Jun 2019 432nd WilleyOhana 612 67 9ms 26 Feb 2021 432nd davyboyhayes 612 67 9ms 24 Jan 2023 435th tadeokondrak 603 68 9ms 22 Feb 2019 435th OmegaB0t 603 68 9ms 5 Dec 2019 437th marekMin 594 69 9ms 11 Jun 2019 437th jayanwar 594 69 9ms 5 Nov 2019 439th null-tangent 586 70 8ms 3 Aug 2022 439th ShepardToTheStars 586 70 8ms 5 Jan 2024 441st squadb3 562 73 9ms 11 Oct 2019 441st ABoxAlt 562 73 9ms 16 Nov 2023 443rd tickct 554 74 9ms 12 Sep 2019 443rd Scoutboy06 554 74 9ms 9 Dec 2019 443rd James-revans 554 74 8ms 30 Dec 2019 443rd AlexOgn 554 74 9ms 26 Dec 2020 443rd E2dgar 554 74 9ms 31 Jan 2022 443rd aneurin-h 554 74 9ms 15 Nov 2022 443rd dpb4 554 74 9ms 27 Feb 2024 443rd tik25 554 74 9ms 28 Mar 2024 First Prev 376–450 of 476 Next Last