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Fibonacci 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 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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 299th BambooleanLogic 🇸🇪 825 40 9ms 26 Nov 2021 299th johanrosenson 825 40 9ms 8 Dec 2021 299th Garklein 🇨🇦 825 40 9ms 6 Jan 2022 299th Luca2812 825 40 9ms 14 Jan 2022 299th Heathcorp 🇦🇺 825 40 9ms 31 Mar 2022 299th wwsalmon 825 40 9ms 8 May 2022 299th maxpelic 🇺🇸 825 40 9ms 5 Jul 2022 299th ijchen 825 40 9ms 27 Sep 2022 299th LukeBridges 🇬🇧 825 40 8ms 14 Nov 2022 299th dzshn 825 40 9ms 3 Dec 2022 299th TaserTheFox 🇺🇸 825 40 8ms 12 Dec 2022 299th ItsMeNoobieboy 825 40 9ms 23 Dec 2022 299th zakariamouhid 825 40 9ms 9 Jan 2023 299th davyboyhayes 825 40 8ms 24 Jan 2023 299th AnnoyedArt1256 825 40 8ms 8 Sep 2023 299th two-bad 🇬🇧 825 40 9ms 23 Nov 2023 299th MWI-polygolf 825 40 9ms 6 Dec 2023 299th stellartux 825 40 8ms 26 Dec 2023 299th steffan-polygolf 825 40 8ms 14 Feb 2024 299th Michiocre 825 40 8ms 19 Mar 2024 299th Null000 🇳🇿 825 40 8ms 28 May 2024 299th LostSyntax21 🇬🇧 825 40 9ms 10 Sep 2024 299th Stockoh 🇫🇷 825 40 8ms 4 Nov 2024 299th Ultra814 825 40 9ms 29 Aug 2025 299th alexsave 825 40 8ms 13 Oct 2025 299th Babafaba 825 40 9ms 22 Oct 2025 299th FortuiteMan 🇫🇷 825 40 8ms 28 Nov 2025 299th tomh1012 825 40 8ms 27 days ago 299th amazingalek 825 40 12ms 10 days ago 350th oitio 805 41 8ms 31 May 2019 350th shraiwi 805 41 8ms 22 Nov 2019 350th entibo 805 41 8ms 10 Dec 2019 350th alasdair-greenland 805 41 9ms 4 Mar 2020 350th UBKorkut 805 41 8ms 23 Feb 2021 350th Pie42 805 41 9ms 18 Apr 2021 350th aaronze 🇦🇺 805 41 9ms 29 Apr 2021 350th Great-Gamer 805 41 9ms 23 Feb 2022 350th CedricGebistorf 805 41 9ms 4 Mar 2022 350th SkimnerPhi 805 41 9ms 11 Mar 2022 350th gurglemurgle5 805 41 8ms 18 Apr 2022 350th aydynx 805 41 8ms 25 Jan 2023 350th guywithnose 805 41 9ms 12 May 2023 350th efgen 805 41 8ms 26 Dec 2023 350th weliveinhell 🇭🇹 805 41 8ms 28 Dec 2023 350th roupiq 🇵🇱 805 41 8ms 15 Feb 2024 350th PyryL 🇫🇮 805 41 9ms 23 Aug 2024 350th NickTheEASDude 🇺🇸 805 41 9ms 29 Aug 2024 350th SwordF-Official 805 41 9ms 2 Jun 2025 350th TRexOnGit 805 41 8ms 29 Jul 2025 350th Evankhell0 805 41 9ms 8 Aug 2025 371st ohailstorm 786 42 8ms 9 Mar 2018 371st rumblesan 786 42 8ms 8 Dec 2018 371st phpshko 786 42 8ms 6 Apr 2019 371st AaronGarbut 786 42 9ms 30 Jul 2019 371st vgroen 786 42 8ms 3 Jan 2020 371st NatNgs 786 42 8ms 7 Jan 2020 371st Michal-Miky-Jankovsky 786 42 9ms 4 May 2020 371st modellking 786 42 8ms 3 Jun 2020 371st juanmoncada 786 42 9ms 10 Aug 2020 371st hyvyys 786 42 8ms 11 Sep 2020 371st tpiechaczek 🇵🇱 786 42 9ms 22 Dec 2020 371st xkacer 🇨🇿 786 42 9ms 24 Jan 2021 371st heypwesto 🇳🇿 786 42 9ms 16 Apr 2021 371st evalPenny 🇰🇷 786 42 8ms 6 Jul 2021 371st SpareManiKatti 786 42 8ms 15 Jul 2021 371st Giga-Bowser 786 42 8ms 20 Dec 2021 371st fourth-bit 786 42 8ms 14 Jan 2022 371st ledietz 786 42 9ms 11 Feb 2022 371st Anonymousellama21 786 42 9ms 11 Feb 2022 371st moikaturns 🇬🇧 786 42 9ms 18 Oct 2022 371st Tavress 786 42 8ms 11 May 2023 371st charliegaming 786 42 9ms 3 Oct 2023 371st dommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmy 786 42 9ms 15 May 2024 371st desecaw13 786 42 9ms 24 Jan 2025 371st ffelixm 786 42 8ms 11 Jun 2025 371st acollett89 786 42 9ms 15 Jul 2025 371st tknight-dev 786 42 8ms 25 Jul 2025 371st 52525rr 786 42 9ms 20 Oct 2025 399th GiftOfDeath 767 43 9ms 5 Feb 2018 399th ian-odonnell 767 43 9ms 12 Mar 2018 First Prev 321–400 of 859 Next Last