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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic 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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 601st genius257 647 51 9ms 23 Mar 2018 601st stanley-c-so 647 51 10ms 4 Oct 2019 601st Jumprocks1 647 51 9ms 11 Feb 2020 601st jn-lp 🇺🇦 647 51 10ms 31 Oct 2020 601st RedstoneTim 647 51 9ms 26 Jun 2021 601st rdscott-vrsk 647 51 9ms 12 May 2023 601st Ralac07 🇦🇺 647 51 12ms 18 Apr 2025 608th bobesa 635 52 28ms 16 Oct 2017 608th xen-the 635 52 10ms 10 Oct 2018 608th Caylyn 635 52 9ms 22 Dec 2018 608th joeytwiddle 635 52 57ms 4 Feb 2019 608th phillygogo 635 52 10ms 5 Jun 2019 608th wouterraateland 635 52 11ms 8 Jul 2019 608th pg98 635 52 12ms 4 Sep 2019 608th paavohuhtala 635 52 26ms 4 Jan 2020 608th jankaifer 635 52 26ms 8 Aug 2020 608th lowlighter 635 52 26ms 30 Oct 2020 608th 102 635 52 10ms 18 Nov 2020 608th arrudagates 635 52 29ms 23 Jun 2021 608th teofum 635 52 26ms 8 Mar 2022 608th mamamia5x 635 52 46ms 8 Mar 2024 608th junkondo-jp 635 52 44ms 6 May 2024 608th Sinescape 635 52 11ms 16 Sep 2024 608th shandriy 635 52 28ms 23 Jan 2026 608th RealBen9 🇬🇧 635 52 10ms 18 days ago 626th johnennewdeeson 623 53 10ms 16 Oct 2017 626th someone12346 623 53 29ms 1 Apr 2018 626th gunnermanx 623 53 10ms 4 Jan 2019 626th frankviktorfrank 623 53 9ms 26 Mar 2019 626th gjbianco 623 53 26ms 27 May 2019 626th dzablo 623 53 27ms 4 Sep 2019 626th adoxography 623 53 28ms 16 Sep 2019 626th quentincaffeino 623 53 27ms 4 Jun 2020 626th jchitel 623 53 25ms 24 Sep 2020 626th ffflorian 623 53 26ms 23 Nov 2020 626th IAmYhvr 623 53 25ms 6 Feb 2021 626th gnlow 🇰🇷 623 53 59ms 15 Feb 2021 626th ForkKILLET 🇨🇳 623 53 26ms 18 Feb 2021 626th PGPereira 623 53 26ms 27 Mar 2021 626th PlutonianHacker 623 53 10ms 9 Jul 2021 626th ereztaiar 🇮🇱 623 53 64ms 12 Aug 2021 626th lukaskairys 623 53 26ms 27 Sep 2021 626th Clonex 623 53 26ms 23 Nov 2021 626th janleigh 🇵🇭 623 53 10ms 31 May 2022 626th MiguelEXE 623 53 26ms 8 Jun 2022 626th PyPylia 🇦🇺 623 53 27ms 24 Sep 2022 626th mebens 623 53 29ms 17 Nov 2022 626th MCausc78 🇺🇦 623 53 9ms 29 Dec 2022 626th RasmusBV 623 53 25ms 19 Feb 2023 626th xnacly 🇩🇪 623 53 10ms 30 Jun 2023 626th RobertHoeh 623 53 32ms 9 Sep 2023 626th Sciman101 623 53 11ms 16 Nov 2023 626th yuigoto 623 53 26ms 25 Nov 2023 626th FISHARMNIC 623 53 26ms 15 Jan 2024 626th msbranicky 623 53 11ms 3 Jul 2024 626th tylerguy 623 53 11ms 1 Dec 2025 657th TravisBumgarner 611 54 27ms 31 Jan 2019 657th theDigg 611 54 56ms 21 Jun 2019 657th guptaniraj93 611 54 10ms 30 Jul 2019 657th sobhanbera 611 54 11ms 22 Jun 2020 657th the-north-dev 611 54 10ms 28 Aug 2020 657th ashleylamont 611 54 10ms 24 Nov 2020 657th ytaki0801 🇯🇵 611 54 10ms 19 Jun 2021 657th uiamn 611 54 57ms 6 Sep 2022 657th 104210 611 54 10ms 14 Sep 2022 657th LeftPathLane 611 54 9ms 1 Nov 2022 657th JesseNoEyes 🇺🇸 611 54 11ms 25 Sep 2024 657th goodwyna21 611 54 28ms 5 Nov 2024 657th n3uromanc3r 611 54 26ms 3 Dec 2024 670th obadiar-zz 600 55 26ms 7 Oct 2017 670th robertDurst 600 55 27ms 7 Oct 2017 670th DanSmelly 600 55 9ms 25 Jun 2020 670th brownie-in-motion 600 55 9ms 11 Jul 2020 670th pedromcsousa 🇵🇹 600 55 26ms 30 Nov 2020 670th lewdev 🇺🇸 600 55 26ms 26 Jul 2021 670th mckymsh 600 55 9ms 1 Mar 2022 670th Gravitonic 600 55 10ms 15 Dec 2022 670th IchBinMichMarkus 600 55 10ms 11 Jul 2023 670th weleho 600 55 11ms 18 Sep 2023 670th A11yship 600 55 10ms 2 Nov 2023 670th RockOfStone 600 55 11ms 23 Mar 2024 670th ErikGXDev 600 55 12ms 26 Oct 2024 670th 4very 600 55 40ms 9 Jun 2025 670th Jonson26 600 55 10ms 13 days ago 685th d4rkne55 589 56 10ms 2 Mar 2018 685th pbarath 589 56 9ms 13 Apr 2021 685th Ashikpaul 🇮🇳 589 56 22ms 9 May 2021 685th hpr 589 56 20ms 13 Jun 2021 685th E2dgar 589 56 9ms 30 Jan 2022 685th Simon3995 🇳🇱 589 56 10ms 10 Mar 2022 685th aneurin-h 589 56 8ms 22 Nov 2022 685th griffinschreiber 589 56 13ms 30 Oct 2024 685th MID246 589 56 9ms 14 Nov 2024 685th Laellekoenig 589 56 29ms 28 Oct 2025 695th jacobsmith 579 57 26ms 21 Jan 2019 695th phpboyscout 579 57 10ms 3 Sep 2019 695th jling90 579 57 55ms 16 Dec 2019 695th maximevredeveld 579 57 9ms 17 Jan 2021 695th kungozan 579 57 13ms 29 Mar 2021 695th benStre 579 57 22ms 19 Feb 2022 First Prev 601–700 of 876 Next Last