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 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 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 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 Lily 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 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 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 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 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 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 715th MisterrLuck 550 60 9ms 31 Jul 2024 715th noahhorlacher 550 60 9ms 8 Dec 2024 723rd rxl3 541 61 26ms 15 Mar 2018 723rd wrauner 541 61 9ms 6 Aug 2019 723rd PeriBooty 541 61 24ms 26 Nov 2019 723rd tekaireb 541 61 19ms 24 Jul 2021 723rd mackereldev 541 61 9ms 27 Apr 2022 723rd Smetalo 541 61 9ms 24 Aug 2022 723rd DCerane 541 61 24ms 14 Oct 2022 723rd mobibluman 541 61 10ms 23 Oct 2023 731st N3phi1im 532 62 9ms 22 Nov 2018 731st janga1 532 62 10ms 19 Aug 2021 731st charlieharutaka 532 62 8ms 28 Sep 2021 731st Gpopcorn 532 62 9ms 29 Mar 2022 731st programmeruser2 532 62 10ms 3 Mar 2023 731st ANovelForStudy 532 62 10ms 9 Jun 2023 731st deniz-blue 532 62 11ms 19 Oct 2023 731st TotoAJ 532 62 10ms 12 Dec 2023 739th ahmedzafar89 524 63 9ms 13 Sep 2018 739th McErer 524 63 8ms 11 Jan 2019 739th blucky36 524 63 27ms 27 Feb 2019 739th Jdender 524 63 41ms 21 Aug 2019 739th DaCoolOne 524 63 10ms 24 Nov 2019 739th grenierdev 524 63 8ms 3 Dec 2019 739th saschakaupp 524 63 9ms 5 Dec 2019 739th Randomness74 524 63 9ms 14 Mar 2020 739th heigertd 524 63 9ms 26 May 2020 739th Fulkman 524 63 9ms 19 Sep 2020 739th Fanrco 524 63 9ms 31 Aug 2023 739th null-tangent 524 63 28ms 3 Apr 2025 751st DmyBor 516 64 11ms 4 May 2018 751st ollybrabs 516 64 21ms 22 Aug 2018 751st Kingohearts 516 64 10ms 22 Sep 2018 751st sammylou852 516 64 9ms 30 Nov 2018 751st jonot-cyber 516 64 10ms 16 Jun 2019 751st Pablo-No 516 64 9ms 15 Jul 2020 751st richard-oelze 🇩🇪 516 64 10ms 6 Nov 2020 751st WilliamKeating 516 64 10ms 14 Jan 2022 751st OfficialCB 516 64 10ms 11 Dec 2023 751st Mikey-Beep 🇬🇧 516 64 10ms 25 Dec 2024 761st varbrad 508 65 10ms 5 Dec 2017 761st masashimachida 508 65 8ms 27 Jul 2020 761st kozgera 508 65 8ms 9 Apr 2021 761st kellyGipson 508 65 10ms 2 Jun 2021 761st Ivraj 508 65 24ms 11 Dec 2022 766th Draegert 500 66 22ms 4 Jun 2019 766th con-cs 500 66 9ms 26 Oct 2021 766th RegularSalamander 500 66 26ms 29 Jan 2022 766th Zylar-xD 500 66 9ms 1 Apr 2022 766th Lxkasmehl 500 66 9ms 17 Jul 2025 766th Xanderium 500 66 10ms 29 Aug 2025 772nd labster 493 67 22ms 5 Mar 2018 772nd aberthier 493 67 25ms 6 Mar 2018 772nd GustavSt 493 67 9ms 4 Mar 2020 772nd mattduag 493 67 9ms 20 Dec 2022 772nd henrygagnier 493 67 8ms 19 Nov 2024 772nd osNiko 🇧🇷 493 67 9ms 23 Jul 2025 778th ChuaJ 485 68 9ms 25 Apr 2019 778th EfiGordon 485 68 9ms 24 Jul 2020 778th aphrim 🇺🇸 485 68 9ms 30 Oct 2021 778th pfysches-boop 485 68 9ms 6 Aug 2023 782nd cooldreamer 478 69 11ms 20 Aug 2019 782nd gabsumm 478 69 9ms 12 Jan 2022 784th everchanger 471 70 9ms 6 Jun 2020 784th tik25 471 70 10ms 28 Mar 2024 786th abishek28007 465 71 9ms 7 Sep 2020 786th k4rli 465 71 9ms 20 Jan 2021 786th jessegyger 465 71 10ms 7 Nov 2022 786th Pyro569 465 71 9ms 30 Jul 2023 786th apokryfos 465 71 26ms 18 Aug 2023 791st rishavb123 458 72 10ms 19 Jul 2018 791st DaleNaci 458 72 10ms 19 Jul 2018 791st Cr3aHal0 458 72 13ms 14 Jun 2019 791st Tert0 458 72 26ms 24 Apr 2021 791st scottjones4k 458 72 10ms 5 Jul 2022 791st sm1lko 458 72 9ms 14 Dec 2022 791st logalex8369 🇺🇸 458 72 24ms 18 Dec 2025 798th plibither8 446 74 9ms 27 Apr 2020 798th TheZwierzLF 🇵🇱 446 74 25ms 9 Jan 2026 800th robertfairley 440 75 26ms 21 Feb 2018 First Prev 721–800 of 867 Next Last