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 Calendar 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 615th Sciman101 623 53 8ms 16 Nov 2023 615th yuigoto 623 53 24ms 25 Nov 2023 615th FISHARMNIC 623 53 25ms 15 Jan 2024 615th msbranicky 623 53 9ms 3 Jul 2024 615th tylerguy 623 53 9ms 1 Dec 2025 646th TravisBumgarner 611 54 27ms 31 Jan 2019 646th theDigg 611 54 57ms 21 Jun 2019 646th guptaniraj93 611 54 9ms 30 Jul 2019 646th sobhanbera 611 54 8ms 22 Jun 2020 646th the-north-dev 611 54 8ms 28 Aug 2020 646th ashleylamont 611 54 9ms 24 Nov 2020 646th ytaki0801 🇯🇵 611 54 9ms 19 Jun 2021 646th uiamn 611 54 55ms 6 Sep 2022 646th 104210 611 54 9ms 14 Sep 2022 646th LeftPathLane 611 54 9ms 1 Nov 2022 646th JesseNoEyes 🇺🇸 611 54 8ms 25 Sep 2024 646th goodwyna21 611 54 25ms 5 Nov 2024 646th n3uromanc3r 611 54 24ms 3 Dec 2024 659th obadiar-zz 600 55 26ms 7 Oct 2017 659th robertDurst 600 55 23ms 7 Oct 2017 659th DanSmelly 600 55 10ms 25 Jun 2020 659th brownie-in-motion 600 55 10ms 11 Jul 2020 659th pedromcsousa 🇵🇹 600 55 24ms 30 Nov 2020 659th lewdev 🇺🇸 600 55 24ms 26 Jul 2021 659th mckymsh 600 55 8ms 1 Mar 2022 659th Gravitonic 600 55 9ms 15 Dec 2022 659th IchBinMichMarkus 600 55 8ms 11 Jul 2023 659th weleho 600 55 8ms 18 Sep 2023 659th A11yship 600 55 10ms 2 Nov 2023 659th RockOfStone 600 55 9ms 23 Mar 2024 659th ErikGXDev 600 55 8ms 26 Oct 2024 659th 4very 600 55 36ms 9 Jun 2025 673rd d4rkne55 589 56 10ms 2 Mar 2018 673rd pbarath 589 56 9ms 13 Apr 2021 673rd Ashikpaul 🇮🇳 589 56 21ms 9 May 2021 673rd hpr 589 56 18ms 13 Jun 2021 673rd E2dgar 589 56 8ms 30 Jan 2022 673rd Simon3995 🇳🇱 589 56 8ms 10 Mar 2022 673rd aneurin-h 589 56 10ms 22 Nov 2022 673rd griffinschreiber 589 56 8ms 30 Oct 2024 673rd MID246 589 56 9ms 14 Nov 2024 673rd Laellekoenig 589 56 28ms 28 Oct 2025 683rd jacobsmith 579 57 24ms 21 Jan 2019 683rd phpboyscout 579 57 11ms 3 Sep 2019 683rd jling90 579 57 56ms 16 Dec 2019 683rd maximevredeveld 579 57 10ms 17 Jan 2021 683rd kungozan 579 57 10ms 29 Mar 2021 683rd benStre 579 57 23ms 19 Feb 2022 683rd TheCod-r 🇦🇶 579 57 9ms 26 Feb 2023 683rd blaircalderwood 579 57 9ms 25 Oct 2023 691st rkichenama 569 58 27ms 26 Feb 2018 691st sharabiania 569 58 26ms 27 Feb 2018 691st davidbutt 569 58 9ms 26 Jul 2018 691st visvirial 569 58 10ms 19 Dec 2018 691st tadeokondrak 569 58 27ms 27 Apr 2019 691st vladyslavprosolupov 569 58 27ms 30 May 2019 691st Koljenka 569 58 28ms 15 Dec 2019 691st lilyyy411 569 58 9ms 10 Sep 2021 691st JayantaNath 569 58 9ms 17 Sep 2021 691st AndresCardonaDev 569 58 9ms 7 Nov 2021 691st ThibWillFulll 569 58 48ms 5 May 2022 691st cingulataluke 569 58 9ms 21 Oct 2022 691st ptforness 569 58 9ms 31 Dec 2022 691st infostreams 569 58 8ms 11 Jul 2023 691st 0vidiu 569 58 9ms 13 Dec 2023 706th verticall 559 59 9ms 28 Jul 2019 706th atsheridan 559 59 28ms 7 Feb 2020 706th greensebastian 559 59 9ms 12 May 2020 706th CataMates 559 59 9ms 2 Nov 2020 706th omarpr 559 59 9ms 12 Apr 2021 706th 2pichar 559 59 9ms 10 Nov 2022 706th 123mjb 559 59 9ms 25 Jun 2025 713th Moritz-Siegel 550 60 10ms 11 Jan 2018 713th SamirHodzic 550 60 8ms 12 Oct 2018 713th MaartenStaa 550 60 26ms 5 Jan 2020 713th ze-h 🇺🇸 550 60 9ms 10 Jan 2022 713th MattShaile 550 60 10ms 20 Mar 2022 713th Cinnamonsroll 550 60 9ms 18 Oct 2022 713th MisterrLuck 550 60 9ms 31 Jul 2024 713th noahhorlacher 550 60 10ms 8 Dec 2024 First Prev 641–720 of 865 Next Last