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 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 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 370th Secozzi 695 59 20 Oct 2020 370th ffflorian 695 59 23 Nov 2020 370th JosephAbbey 695 59 6 Apr 2022 370th bwenstar 695 59 11 Aug 2022 370th WoodStuff 🇵🇱 695 59 3 Jun 2023 370th kwilson151 695 59 7 Jul 2023 370th Yareeeema 695 59 11 Oct 2023 370th iCyuba 695 59 15 Oct 2023 370th Palladium02 695 59 26 May 2025 385th ciaranmag 683 60 25 Jan 2019 385th TTWNO 683 60 8 Apr 2019 385th islonely 683 60 26 Apr 2019 385th florton 683 60 19 Mar 2021 385th peculiarination 683 60 30 Apr 2021 385th baby-steve 683 60 5 May 2021 385th BillyBobFry 683 60 22 Oct 2021 385th gurglemurgle5 683 60 15 Feb 2022 385th mayrop 683 60 4 Nov 2022 385th janleigh 🇵🇭 683 60 23 Sep 2023 385th xShadowBlade 683 60 19 May 2024 396th Pandapip1 672 61 11 Feb 2021 396th evalPenny 🇰🇷 672 61 6 Jul 2021 396th scottjones4k 672 61 5 Jul 2022 399th ptforness 661 62 1 Jan 2023 400th vidmantasa 651 63 23 Sep 2021 400th jamespeilunli 651 63 20 Mar 2022 400th adamnielson42 🇺🇸 651 63 24 Apr 2023 400th notesz5 651 63 5 Sep 2023 400th Voltrifrodec 🇸🇰 651 63 23 Apr 2025 400th MyXoToD 🇩🇪 651 63 20 May 2025 406th TrAyZeN 641 64 19 Aug 2019 406th yencis 641 64 18 Feb 2020 406th ahorihan 641 64 3 Aug 2022 406th snoozingnewt 🇺🇸 641 64 6 Oct 2023 406th Dddatt 641 64 22 Jan 2025 411th shreyasminocha 631 65 2 Aug 2020 411th lucipas 631 65 10 May 2024 413th effin 621 66 10 May 2019 413th MaartenStaa 621 66 5 Jan 2020 413th Designer023 621 66 8 Feb 2020 413th JustinDowty 621 66 12 Jun 2020 417th jonot-cyber 612 67 16 Jun 2019 417th WilleyOhana 612 67 26 Feb 2021 417th davyboyhayes 612 67 24 Jan 2023 420th tadeokondrak 603 68 22 Feb 2019 420th OmegaB0t 603 68 5 Dec 2019 422nd marekMin 594 69 11 Jun 2019 422nd jayanwar 594 69 5 Nov 2019 424th null-tangent 586 70 3 Aug 2022 424th ShepardToTheStars 586 70 5 Jan 2024 426th squadb3 562 73 11 Oct 2019 426th ABoxAlt 562 73 16 Nov 2023 428th tickct 554 74 12 Sep 2019 428th Scoutboy06 554 74 9 Dec 2019 428th James-revans 554 74 30 Dec 2019 428th AlexOgn 554 74 26 Dec 2020 428th E2dgar 554 74 31 Jan 2022 428th Modular-Holmes 554 74 15 Nov 2022 428th dpb4 554 74 27 Feb 2024 428th tik25 554 74 28 Mar 2024 436th Bejofo 547 75 17 Mar 2021 436th dukeaccent 🇫🇮 547 75 29 Nov 2022 438th joedia 526 78 2 Jan 2021 439th ershadi-sayuri 519 79 14 Jan 2022 440th Randomness74 513 80 14 Mar 2020 441st Sixaintnine 506 81 20 Feb 2020 442nd Havock94 500 82 14 Aug 2019 443rd RoscoeDaWah 🇬🇧 494 83 13 Feb 2022 443rd AshishAntil07 494 83 10 Oct 2022 445th dbkirk4211 471 87 4 May 2024 446th ThePyProgrammer 461 89 15 Dec 2021 447th DanSmelly 436 94 1 May 2020 448th heigertd 410 100 30 Dec 2019 449th 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