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 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 625th lukaskairys 623 53 30ms 27 Sep 2021 625th Clonex 623 53 27ms 23 Nov 2021 625th janleigh 🇵🇭 623 53 10ms 31 May 2022 625th MiguelEXE 623 53 26ms 8 Jun 2022 625th PyPylia 🇦🇺 623 53 27ms 24 Sep 2022 625th mebens 623 53 25ms 17 Nov 2022 625th MCausc78 🇺🇦 623 53 10ms 29 Dec 2022 625th RasmusBV 623 53 26ms 19 Feb 2023 625th xnacly 🇩🇪 623 53 9ms 30 Jun 2023 625th RobertHoeh 623 53 25ms 9 Sep 2023 625th Sciman101 623 53 9ms 16 Nov 2023 625th yuigoto 623 53 29ms 25 Nov 2023 625th FISHARMNIC 623 53 26ms 15 Jan 2024 625th msbranicky 623 53 10ms 3 Jul 2024 625th tylerguy 623 53 10ms 1 Dec 2025 656th TravisBumgarner 611 54 25ms 31 Jan 2019 656th theDigg 611 54 56ms 21 Jun 2019 656th guptaniraj93 611 54 10ms 30 Jul 2019 656th sobhanbera 611 54 10ms 22 Jun 2020 656th the-north-dev 611 54 11ms 28 Aug 2020 656th ashleylamont 611 54 10ms 24 Nov 2020 656th ytaki0801 🇯🇵 611 54 11ms 19 Jun 2021 656th uiamn 611 54 58ms 6 Sep 2022 656th 104210 611 54 10ms 14 Sep 2022 656th LeftPathLane 611 54 12ms 1 Nov 2022 656th JesseNoEyes 🇺🇸 611 54 13ms 25 Sep 2024 656th goodwyna21 611 54 27ms 5 Nov 2024 656th n3uromanc3r 611 54 26ms 3 Dec 2024 669th obadiar-zz 600 55 27ms 7 Oct 2017 669th robertDurst 600 55 27ms 7 Oct 2017 669th DanSmelly 600 55 10ms 25 Jun 2020 669th brownie-in-motion 600 55 10ms 11 Jul 2020 669th pedromcsousa 🇵🇹 600 55 26ms 30 Nov 2020 669th lewdev 🇺🇸 600 55 28ms 26 Jul 2021 669th mckymsh 600 55 11ms 1 Mar 2022 669th Gravitonic 600 55 10ms 15 Dec 2022 669th IchBinMichMarkus 600 55 10ms 11 Jul 2023 669th weleho 600 55 10ms 18 Sep 2023 669th A11yship 600 55 10ms 2 Nov 2023 669th RockOfStone 600 55 10ms 23 Mar 2024 669th ErikGXDev 600 55 13ms 26 Oct 2024 669th 4very 600 55 39ms 9 Jun 2025 683rd d4rkne55 589 56 10ms 2 Mar 2018 683rd pbarath 589 56 10ms 13 Apr 2021 683rd Ashikpaul 🇮🇳 589 56 22ms 9 May 2021 683rd hpr 589 56 21ms 13 Jun 2021 683rd E2dgar 589 56 9ms 30 Jan 2022 683rd Simon3995 🇳🇱 589 56 9ms 10 Mar 2022 683rd aneurin-h 589 56 11ms 22 Nov 2022 683rd griffinschreiber 589 56 10ms 30 Oct 2024 683rd MID246 589 56 9ms 14 Nov 2024 683rd Laellekoenig 589 56 27ms 28 Oct 2025 693rd jacobsmith 579 57 27ms 21 Jan 2019 693rd phpboyscout 579 57 9ms 3 Sep 2019 693rd jling90 579 57 36ms 16 Dec 2019 693rd maximevredeveld 579 57 10ms 17 Jan 2021 693rd kungozan 579 57 10ms 29 Mar 2021 693rd benStre 579 57 21ms 19 Feb 2022 693rd TheCod-r 🇦🇶 579 57 10ms 26 Feb 2023 693rd blaircalderwood 579 57 9ms 25 Oct 2023 701st rkichenama 569 58 26ms 26 Feb 2018 701st sharabiania 569 58 27ms 27 Feb 2018 701st davidbutt 569 58 10ms 26 Jul 2018 701st visvirial 569 58 10ms 19 Dec 2018 701st tadeokondrak 569 58 31ms 27 Apr 2019 701st vladyslavprosolupov 569 58 28ms 30 May 2019 701st Koljenka 569 58 30ms 15 Dec 2019 701st lilyyy411 569 58 10ms 10 Sep 2021 701st JayantaNath 569 58 11ms 17 Sep 2021 701st AndresCardonaDev 569 58 10ms 7 Nov 2021 701st ThibWillFulll 569 58 49ms 5 May 2022 701st cingulataluke 569 58 10ms 21 Oct 2022 701st ptforness 569 58 9ms 31 Dec 2022 701st infostreams 569 58 10ms 11 Jul 2023 701st 0vidiu 569 58 10ms 13 Dec 2023 716th verticall 559 59 9ms 28 Jul 2019 716th atsheridan 559 59 28ms 7 Feb 2020 716th greensebastian 559 59 11ms 12 May 2020 716th CataMates 559 59 10ms 2 Nov 2020 716th omarpr 559 59 12ms 12 Apr 2021 First Prev 641–720 of 875 Next Last