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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 65th tpiechaczek 🇵🇱 953 43 24 Dec 2020 65th toubsen 🇩🇪 953 43 8 Jan 2021 65th omurakazuaki 🇯🇵 953 43 19 Feb 2021 65th lukasmoellerch 953 43 15 Mar 2021 65th MossGrass 🇺🇸 953 43 21 May 2021 65th wansacis 🇩🇪 953 43 28 Jul 2021 65th lynn 953 43 10 Sep 2021 65th alasdair-greenland 953 43 11 Nov 2021 65th emgordon154 953 43 23 Nov 2021 65th solmyr2000 953 43 8 Jun 2022 65th AlephSquirrel 953 43 18 Jul 2022 65th FlorianCassayre 🇫🇷 953 43 27 Sep 2022 65th BloodStormKnight 953 43 13 Oct 2022 65th LukeBridges 🇬🇧 953 43 17 Oct 2022 65th astonm 953 43 17 Oct 2022 65th Maznek 953 43 6 Jun 2023 65th jbt 953 43 26 Dec 2023 65th wlaud9 953 43 8 Feb 2024 65th weliveinhell 🇭🇹 953 43 23 Jul 2024 65th edsrzf 🇳🇿 953 43 14 Sep 2024 65th acollett89 953 43 12 Jun 2025 97th rambox11 932 44 20 Dec 2018 97th skps2010 932 44 4 Jan 2019 97th obarakon 932 44 9 Jan 2019 97th elisherer 🇮🇱 932 44 28 Mar 2019 97th goldenice 932 44 4 Apr 2019 97th user189032 932 44 29 May 2019 97th marcin7Cd 932 44 13 Mar 2020 97th ondras 932 44 3 May 2020 97th daisy-lau 932 44 20 May 2020 97th efgen 932 44 12 Jun 2020 97th itsh01 932 44 15 Jul 2020 97th thisishowmymindworks 🇳🇴 932 44 20 Jul 2020 97th ToriTheChicken 932 44 21 Jul 2020 97th ehouais 932 44 23 Aug 2020 97th Athe81 932 44 30 Oct 2020 97th jn-lp 🇺🇦 932 44 1 Nov 2020 97th pandapawskat 932 44 3 Dec 2020 97th boxjelly 932 44 14 Feb 2021 97th blader0x 932 44 28 Mar 2021 97th heypwesto 🇳🇿 932 44 20 Apr 2021 97th Shanethegamer 🇺🇸 932 44 22 May 2021 97th Natanaelel 🇸🇪 932 44 1 Oct 2021 97th alex-oser 🇲🇰 932 44 5 Oct 2021 97th igmcdowell 932 44 25 Nov 2021 97th shellbertt 🇨🇦 932 44 3 Dec 2021 97th ZakkkkAttackkkk 🇵🇭 932 44 17 Dec 2021 97th fitzdotlol 🇺🇸 932 44 8 Mar 2022 97th vincens2005 🇺🇸 932 44 30 Mar 2022 97th otubby 932 44 30 Mar 2022 97th NathanGabrielson 932 44 30 Mar 2022 97th inverseLorentz 🇦🇺 932 44 28 Jun 2022 97th two-bad 🇬🇧 932 44 5 Jul 2022 97th aksyristos 932 44 28 Oct 2022 97th scpchicken 🇵🇼 932 44 22 Feb 2023 97th Kesefon 932 44 25 Apr 2023 97th dteague3989 932 44 27 May 2023 97th unfinishedprogram 932 44 4 Jul 2023 97th Davr1 🇨🇿 932 44 15 Oct 2023 97th Yewzir 🇧🇪 932 44 15 Oct 2023 97th dylanarmstrong 932 44 22 Jan 2024 97th hacker112 🇸🇪 932 44 22 Jun 2024 97th piano-miles 932 44 6 Sep 2024 97th kovdmm 932 44 13 Oct 2024 97th CaedenHarper 🇨🇦 932 44 22 Oct 2024 97th XenThe 🇬🇧 932 44 7 Jun 2025 142nd ANDREYDEN 911 45 12 Jan 2019 142nd dee-gomma 911 45 27 Mar 2019 142nd Cr3aHal0 911 45 2 Jul 2019 142nd StefanTifrea 911 45 15 Jul 2020 142nd Non-J 911 45 27 Sep 2020 142nd ryandougc 911 45 17 Dec 2020 142nd ForkKILLET 🇨🇳 911 45 18 Feb 2021 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