Tutorial 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) 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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) 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 74th MyltsinVV 0 68 12ms 26 Nov 2025 82nd pruthvip15 0 69 13ms 4 Mar 2025 82nd plcc0 0 69 13ms 20 Mar 2025 82nd deanacus 0 69 13ms 23 Oct 2025 85th acollett89 0 70 12ms 3 Jun 2025 85th Xanderium 0 70 13ms 31 Aug 2025 85th Boowie41 0 70 12ms 10 Nov 2025 85th segasammy-aia-egert 0 70 13ms 9 Jan 2026 89th psethwick 0 71 12ms 30 Jan 2025 89th eTrey13 0 71 13ms 2 Feb 2025 89th qpwoeirut 0 71 12ms 7 Feb 2025 89th mohic 🇧🇪 0 71 13ms 14 Jul 2025 93rd gigaprofisi 🇺🇸 0 72 13ms 10 Aug 2025 94th Michiocre 0 73 14ms 3 Dec 2024 94th Lv0Sys 🇵🇱 0 73 13ms 23 May 2025 94th timothytomato 0 73 12ms 26 May 2025 94th Quadruplay 0 73 12ms 12 Jul 2025 94th audigamer 0 73 14ms 18 Oct 2025 99th LukeBridges 🇬🇧 0 74 12ms 3 Feb 2025 99th Jacob385 0 74 12ms 25 Feb 2025 99th mrxz 🇳🇱 0 74 14ms 3 Sep 2025 102nd Yax42 🇫🇷 0 75 14ms 5 Dec 2025 103rd yb1yb1 0 76 12ms 18 Jan 2025 104th unfinishedprogram 0 77 12ms 3 May 2025 105th FenrisuIven 0 79 12ms 9 May 2025 105th csharpython 0 79 14ms 23 Jul 2025 105th osNiko 🇧🇷 0 79 11ms 14 Aug 2025 105th kurkale6ka 0 79 14ms 8 Dec 2025 109th ntedvs 0 80 13ms 7 Apr 2025 109th 52525rr 0 80 13ms 7 Jul 2025 111th paflov 0 85 12ms 1 Feb 2025 111th TheZwierzLF 🇵🇱 0 85 12ms 29 Nov 2025 113th olavs69 0 87 12ms 8 Dec 2025 114th DABANANAMAN120 0 89 13ms 26 Jun 2025 115th deancureton 0 157 13ms 29 Dec 2024 115th Sebiann 🇨🇭 0 157 12ms 12 Feb 2025 115th retrohun 0 157 13ms 1 Apr 2025 115th devninjahero 0 157 13ms 25 Jun 2025 115th Bpc-CPU 0 157 13ms 12 Jul 2025 115th Vexxter9 🇳🇱 0 157 12ms 21 Aug 2025 115th Babafaba 0 157 13ms 15 Oct 2025 115th luuumine 🇫🇷 0 157 12ms 16 Oct 2025 115th Openstreetmapler 0 157 13ms 30 Oct 2025 115th Zach1031 0 157 11ms 14 Nov 2025 115th Kate505 0 157 13ms 21 Nov 2025 115th Mefred 0 157 13ms 15 Jan 2026 115th Roachbones 0 157 11ms 16 Jan 2026 115th FortuiteMan 🇫🇷 0 157 14ms 3 Feb 2026 115th junkondo-jp 0 157 13ms 9 Feb 2026 115th janAkali 🇷🇺 0 157 12ms 14 Feb 2026 131st gnlow 🇰🇷 0 163 13ms 11 Feb 2025 First Prev 81–131 of 131
