Leap Years in JavaScript in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 368th Ploverums 707 58 9ms 28 Sep 2022 368th genius257 707 58 9ms 3 Oct 2022 368th jorbDehmel 🇺🇸 707 58 10ms 27 Feb 2023 368th InspectorBoat 707 58 8ms 25 Oct 2023 380th WIPocket 695 59 9ms 30 Dec 2018 380th blucky36 695 59 9ms 27 Feb 2019 380th wrauner 695 59 10ms 16 Aug 2019 380th Matojeje 695 59 9ms 12 Dec 2019 380th 8davidb8 695 59 10ms 10 Jun 2020 380th KaeruCT 695 59 10ms 7 Oct 2020 380th Secozzi 695 59 9ms 20 Oct 2020 380th ffflorian 695 59 14ms 23 Nov 2020 380th JosephAbbey 695 59 10ms 6 Apr 2022 380th bwenstar 695 59 10ms 11 Aug 2022 380th WoodStuff 🇵🇱 695 59 10ms 3 Jun 2023 380th kwilson151 695 59 12ms 7 Jul 2023 380th Yareeeema 695 59 12ms 11 Oct 2023 380th iCyuba 695 59 9ms 15 Oct 2023 380th Palladium02 695 59 12ms 26 May 2025 395th ciaranmag 683 60 10ms 25 Jan 2019 395th TTWNO 683 60 10ms 8 Apr 2019 395th islonely 683 60 8ms 26 Apr 2019 395th florton 683 60 9ms 19 Mar 2021 395th peculiarination 683 60 9ms 30 Apr 2021 395th baby-steve 683 60 9ms 5 May 2021 395th BillyBobFry 683 60 10ms 22 Oct 2021 395th gurglemurgle5 683 60 8ms 15 Feb 2022 395th mayrop 683 60 11ms 4 Nov 2022 395th janleigh 🇵🇭 683 60 9ms 23 Sep 2023 395th xShadowBlade 683 60 10ms 19 May 2024 406th Pandapip1 672 61 10ms 11 Feb 2021 406th evalPenny 🇰🇷 672 61 10ms 6 Jul 2021 406th scottjones4k 672 61 12ms 5 Jul 2022 409th ptforness 661 62 12ms 1 Jan 2023 410th vidmantasa 651 63 19ms 23 Sep 2021 410th jamespeilunli 651 63 12ms 20 Mar 2022 410th adamnielson42 🇺🇸 651 63 9ms 24 Apr 2023 410th notesz5 651 63 10ms 5 Sep 2023 410th Voltrifrodec 🇸🇰 651 63 12ms 23 Apr 2025 410th MyXoToD 🇩🇪 651 63 10ms 20 May 2025 416th TrAyZeN 641 64 10ms 19 Aug 2019 416th yencis 641 64 9ms 18 Feb 2020 416th ahorihan 641 64 9ms 3 Aug 2022 416th Dddatt 641 64 11ms 22 Jan 2025 420th shreyasminocha 631 65 13ms 2 Aug 2020 420th lucipas 631 65 9ms 10 May 2024 422nd effin 621 66 9ms 10 May 2019 422nd MaartenStaa 621 66 9ms 5 Jan 2020 422nd Designer023 621 66 10ms 8 Feb 2020 422nd JustinDowty 621 66 9ms 12 Jun 2020 422nd SebassNoob 621 66 10ms 5 Aug 2025 427th jonot-cyber 612 67 9ms 16 Jun 2019 427th WilleyOhana 612 67 10ms 26 Feb 2021 427th davyboyhayes 612 67 10ms 24 Jan 2023 430th tadeokondrak 603 68 10ms 22 Feb 2019 430th OmegaB0t 603 68 9ms 5 Dec 2019 432nd marekMin 594 69 10ms 11 Jun 2019 432nd jayanwar 594 69 9ms 5 Nov 2019 434th null-tangent 586 70 10ms 3 Aug 2022 434th ShepardToTheStars 586 70 9ms 5 Jan 2024 436th squadb3 562 73 11ms 11 Oct 2019 436th ABoxAlt 562 73 11ms 16 Nov 2023 438th tickct 554 74 10ms 12 Sep 2019 438th Scoutboy06 554 74 11ms 9 Dec 2019 438th James-revans 554 74 9ms 30 Dec 2019 438th AlexOgn 554 74 11ms 26 Dec 2020 438th E2dgar 554 74 9ms 31 Jan 2022 438th aneurin-h 554 74 9ms 15 Nov 2022 438th dpb4 554 74 9ms 27 Feb 2024 438th tik25 554 74 11ms 28 Mar 2024 446th Bejofo 547 75 9ms 17 Mar 2021 446th dukeaccent 🇫🇮 547 75 9ms 29 Nov 2022 448th joedia 526 78 9ms 2 Jan 2021 449th ershadi-sayuri 519 79 9ms 14 Jan 2022 450th Randomness74 513 80 11ms 14 Mar 2020 First Prev 376–450 of 471 Next Last