Fibonacci in JavaScript in chars. 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 Chars Time Submitted 451st xyangst 750 44 10ms 8 Oct 2024 451st TheAtrossian 750 44 9ms 27 Mar 2025 451st codewrite 🇬🇧 750 44 10ms 18 Apr 2025 451st blaztoma 🇱🇹 750 44 9ms 17 Aug 2025 451st audigamer 750 44 10ms 19 Oct 2025 451st c-py 750 44 10ms 2 Nov 2025 487th Nuottajarvi 733 45 11ms 9 Aug 2018 487th ConorOBrien-Foxx 733 45 10ms 20 Dec 2018 487th skps2010 733 45 11ms 1 Jan 2019 487th andriynoskov 733 45 10ms 20 Aug 2019 487th lissitz 733 45 11ms 27 Apr 2020 487th synchromic 733 45 9ms 8 May 2020 487th dsntzn 🇸🇰 733 45 9ms 13 Aug 2020 487th Zkrgu 733 45 10ms 12 Dec 2020 487th underdude 733 45 10ms 7 Jan 2021 487th elizj3 🇵🇱 733 45 10ms 26 Jun 2021 487th garrisonhh 733 45 14ms 9 Oct 2021 487th HenryTy83 733 45 11ms 4 Dec 2022 487th jorbDehmel 🇺🇸 733 45 10ms 7 Apr 2023 487th adamnielson42 🇺🇸 733 45 10ms 24 Apr 2023 487th raszpi 🇭🇺 733 45 10ms 1 Sep 2023 487th yuchuehw 733 45 10ms 1 Jan 2024 487th kydogia 733 45 11ms 28 Mar 2024 487th Voltrifrodec 🇸🇰 733 45 10ms 25 Nov 2025 487th Pyroan 733 45 13ms 4 days ago 506th skagget77 717 46 10ms 10 Oct 2017 506th Erutuon 717 46 10ms 21 Feb 2018 506th OmegaB0t 717 46 11ms 19 Apr 2018 506th anananlyjlyj 717 46 9ms 4 Jul 2018 506th dieckie 717 46 9ms 28 Feb 2019 506th arntj 717 46 9ms 13 Apr 2019 506th Ranner198 717 46 10ms 15 Nov 2019 506th dijs 717 46 9ms 5 Dec 2019 506th Kauhentus 717 46 10ms 7 Dec 2019 506th unoctium1 717 46 10ms 14 Dec 2019 506th vonKrafft 717 46 9ms 25 Mar 2020 506th jcheritat 717 46 11ms 6 Sep 2020 506th jcsawyer123 717 46 12ms 17 Sep 2020 506th godraadam 717 46 10ms 13 Apr 2021 506th Y0UR-U5ERNAME 717 46 10ms 3 Sep 2021 506th ethandhunt 717 46 10ms 19 Sep 2021 506th martinnorling 🇸🇪 717 46 10ms 8 Feb 2022 506th sebmandal 717 46 10ms 10 May 2022 506th C0de5mith 🇺🇸 717 46 9ms 3 Aug 2022 506th Ephellon 717 46 10ms 4 Dec 2022 506th olivermrose 🇺🇸 717 46 9ms 17 Jan 2023 506th eiburns 717 46 10ms 9 Oct 2023 506th loganmacdougall 🇨🇦 717 46 10ms 19 Jan 2024 506th Jaro32768 🇸🇰 717 46 9ms 8 Feb 2024 506th Palladium02 717 46 11ms 4 May 2025 506th kellantech 717 46 9ms 17 Dec 2025 532nd Kladdkaka 702 47 10ms 9 Feb 2018 532nd HippasusSurd 702 47 10ms 25 Mar 2018 532nd sgtdck 702 47 10ms 16 Oct 2018 532nd NotGate 702 47 12ms 21 Jan 2019 532nd Cortan122 702 47 10ms 26 Feb 2019 532nd shayded-exe 702 47 10ms 10 Apr 2019 532nd Jooraz 702 47 10ms 12 May 2019 532nd nkansal96 702 47 11ms 21 May 2019 532nd JustinDowty 702 47 10ms 12 Jun 2020 532nd Juici 702 47 10ms 17 Sep 2020 532nd berenteb 🇭🇺 702 47 9ms 11 Dec 2020 532nd flowernal 702 47 10ms 25 Dec 2020 532nd lukalotl 702 47 11ms 24 May 2021 532nd BrettMerri 702 47 10ms 1 Dec 2021 532nd Domicnt 702 47 10ms 2 Jan 2022 532nd Mednoob 702 47 11ms 8 Sep 2022 532nd ShiraJoseph 🇺🇸 702 47 10ms 26 Feb 2023 532nd KjeldSchmidt 702 47 10ms 23 Apr 2023 532nd bryanmytko 702 47 9ms 7 Sep 2023 532nd Seis 702 47 13ms 14 May 2024 532nd heanyang1 702 47 9ms 22 Apr 2025 532nd timothytomato 702 47 9ms 26 May 2025 532nd Florian-Pubert 702 47 10ms 25 Jun 2025 532nd jacekwladzinski 702 47 9ms 2 Oct 2025 532nd johnkiernander 702 47 10ms 12 Dec 2025 557th jsoendermann 688 48 10ms 13 Dec 2017 557th belkamax05 688 48 10ms 26 Mar 2018 557th cdanek 688 48 10ms 2 Apr 2018 557th MechaFinch 688 48 10ms 19 Feb 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