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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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) Taxicab Numbers 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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) Taxicab Numbers 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 395th Secozzi 678 59 9ms 20 Oct 2020 395th ffflorian 678 59 9ms 23 Nov 2020 395th josephabbey 678 59 9ms 6 Apr 2022 395th bwenstar 678 59 10ms 11 Aug 2022 395th WoodStuff 🇵🇱 678 59 10ms 3 Jun 2023 395th kwilson151 678 59 10ms 7 Jul 2023 395th Yareeeema 678 59 10ms 11 Oct 2023 395th iCyuba 678 59 10ms 15 Oct 2023 395th Palladium02 678 59 10ms 26 May 2025 410th ciaranmag 667 60 10ms 25 Jan 2019 410th TTWNO 667 60 10ms 8 Apr 2019 410th islonely 667 60 10ms 26 Apr 2019 410th florton 667 60 10ms 19 Mar 2021 410th peculiarination 667 60 10ms 30 Apr 2021 410th baby-steve 667 60 13ms 5 May 2021 410th BillyBobFry 667 60 10ms 22 Oct 2021 410th gurglemurgle5 667 60 12ms 15 Feb 2022 410th mayrop 667 60 9ms 4 Nov 2022 410th janleigh 🇵🇭 667 60 10ms 23 Sep 2023 410th xShadowBlade 667 60 11ms 19 May 2024 421st Pandapip1 656 61 10ms 11 Feb 2021 421st evalPenny 🇰🇷 656 61 10ms 6 Jul 2021 421st scottjones4k 656 61 9ms 5 Jul 2022 424th ptforness 645 62 9ms 1 Jan 2023 425th vidmantasa 635 63 10ms 23 Sep 2021 425th jamespeilunli 635 63 10ms 20 Mar 2022 425th adamnielson42 🇺🇸 635 63 12ms 24 Apr 2023 425th notesz5 635 63 10ms 5 Sep 2023 425th Voltrifrodec 🇸🇰 635 63 11ms 23 Apr 2025 425th MyXoToD 🇩🇪 635 63 11ms 20 May 2025 431st TrAyZeN 625 64 10ms 19 Aug 2019 431st yencis 625 64 9ms 18 Feb 2020 431st ahorihan 625 64 11ms 3 Aug 2022 431st Dddatt 625 64 9ms 22 Jan 2025 435th shreyasminocha 615 65 11ms 2 Aug 2020 435th lucipas 615 65 10ms 10 May 2024 437th effin 606 66 9ms 10 May 2019 437th MaartenStaa 606 66 10ms 5 Jan 2020 437th Designer023 606 66 13ms 8 Feb 2020 437th JustinDowty 606 66 9ms 12 Jun 2020 437th SebassNoob 606 66 10ms 5 Aug 2025 442nd jonot-cyber 597 67 13ms 16 Jun 2019 442nd WilleyOhana 597 67 11ms 26 Feb 2021 442nd davyboyhayes 597 67 11ms 24 Jan 2023 445th tadeokondrak 588 68 10ms 22 Feb 2019 445th OmegaB0t 588 68 9ms 5 Dec 2019 447th marekMin 580 69 9ms 11 Jun 2019 447th jayanwar 580 69 10ms 5 Nov 2019 449th null-tangent 571 70 9ms 3 Aug 2022 449th ShepardToTheStars 571 70 11ms 5 Jan 2024 451st squadb3 548 73 9ms 11 Oct 2019 451st ABoxAlt 548 73 11ms 16 Nov 2023 453rd tickct 541 74 10ms 12 Sep 2019 453rd Scoutboy06 541 74 10ms 9 Dec 2019 453rd James-revans 541 74 10ms 30 Dec 2019 453rd AlexOgn 541 74 12ms 26 Dec 2020 453rd E2dgar 541 74 11ms 31 Jan 2022 453rd aneurin-h 541 74 10ms 15 Nov 2022 453rd dpb4 541 74 11ms 27 Feb 2024 453rd tik25 541 74 9ms 28 Mar 2024 461st Bejofo 533 75 10ms 17 Mar 2021 461st dukeaccent 🇫🇮 533 75 11ms 29 Nov 2022 463rd Hyperoplex145 526 76 10ms 3 Dec 2025 464th joedia 513 78 9ms 2 Jan 2021 465th ershadi-sayuri 506 79 11ms 14 Jan 2022 466th Randomness74 500 80 9ms 14 Mar 2020 467th Sixaintnine 494 81 10ms 20 Feb 2020 468th Havock94 488 82 10ms 14 Aug 2019 469th RoscoeDaWah 🇬🇧 482 83 9ms 13 Feb 2022 469th AshishAntil07 482 83 10ms 10 Oct 2022 471st dbkirk4211 460 87 13ms 4 May 2024 472nd ThePyProgrammer 449 89 10ms 15 Dec 2021 473rd DanSmelly 426 94 11ms 1 May 2020 474th heigertd 400 100 10ms 30 Dec 2019 475th NoneTheFewer 392 102 10ms 27 Dec 2025 476th nico-bachner 377 106 10ms 5 Dec 2020 476th Pyro569 377 106 10ms 3 Nov 2023 478th gdickison 360 111 10ms 21 Dec 2018 479th hacker19374 345 116 11ms 8 Mar 2023 479th kevinnaviapaiva 345 116 10ms 6 Mar 2025 481st ialap206 294 136 10ms 17 Jun 2023 482nd icottambbc 247 162 10ms 18 Nov 2020 483rd seanleken 194 206 10ms 7 Oct 2019 484th JRaspass 🇬🇧 54 736 11ms 7 Jul 2020 485th KatieLG-Transpiler 🇬🇧 54 738 9ms 23 Jun 2022 486th retrohun 45 883 10ms 21 Dec 2018 486th mokymok 🇺🇸 45 883 9ms 10 Nov 2021 First Prev 401–487 of 487