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 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 717th MattShaile 550 60 9ms 20 Mar 2022 717th Cinnamonsroll 550 60 9ms 18 Oct 2022 717th MisterrLuck 550 60 10ms 31 Jul 2024 717th noahhorlacher 550 60 10ms 8 Dec 2024 725th rxl3 541 61 25ms 15 Mar 2018 725th wrauner 541 61 9ms 6 Aug 2019 725th PeriBooty 541 61 24ms 26 Nov 2019 725th tekaireb 541 61 20ms 24 Jul 2021 725th mackereldev 541 61 8ms 27 Apr 2022 725th Smetalo 541 61 8ms 24 Aug 2022 725th DCerane 541 61 26ms 14 Oct 2022 725th mobibluman 541 61 8ms 23 Oct 2023 733rd N3phi1im 532 62 9ms 22 Nov 2018 733rd janga1 532 62 8ms 19 Aug 2021 733rd charlieharutaka 532 62 9ms 28 Sep 2021 733rd Gpopcorn 532 62 9ms 29 Mar 2022 733rd programmeruser2 532 62 9ms 3 Mar 2023 733rd ANovelForStudy 532 62 8ms 9 Jun 2023 733rd deniz-blue 532 62 8ms 19 Oct 2023 733rd TotoAJ 532 62 9ms 12 Dec 2023 741st ahmedzafar89 524 63 9ms 13 Sep 2018 741st McErer 524 63 9ms 11 Jan 2019 741st blucky36 524 63 25ms 27 Feb 2019 741st Jdender 524 63 37ms 21 Aug 2019 741st DaCoolOne 524 63 9ms 24 Nov 2019 741st grenierdev 524 63 9ms 3 Dec 2019 741st saschakaupp 524 63 9ms 5 Dec 2019 741st Randomness74 524 63 9ms 14 Mar 2020 741st heigertd 524 63 10ms 26 May 2020 741st Fulkman 524 63 9ms 19 Sep 2020 741st Fanrco 524 63 8ms 31 Aug 2023 741st null-tangent 524 63 25ms 3 Apr 2025 753rd DmyBor 516 64 9ms 4 May 2018 753rd ollybrabs 516 64 19ms 22 Aug 2018 753rd Kingohearts 516 64 8ms 22 Sep 2018 753rd sammylou852 516 64 9ms 30 Nov 2018 753rd jonot-cyber 516 64 8ms 16 Jun 2019 753rd Pablo-No 516 64 9ms 15 Jul 2020 753rd richard-oelze 🇩🇪 516 64 10ms 6 Nov 2020 753rd WilliamKeating 516 64 9ms 14 Jan 2022 753rd OfficialCB 516 64 9ms 11 Dec 2023 753rd Mikey-Beep 🇬🇧 516 64 9ms 25 Dec 2024 763rd varbrad 508 65 8ms 5 Dec 2017 763rd masashimachida 508 65 9ms 27 Jul 2020 763rd kozgera 508 65 9ms 9 Apr 2021 763rd kellyGipson 508 65 8ms 2 Jun 2021 763rd Ivraj 508 65 25ms 11 Dec 2022 768th Draegert 500 66 19ms 4 Jun 2019 768th con-cs 500 66 9ms 26 Oct 2021 768th RegularSalamander 500 66 38ms 29 Jan 2022 768th Zylar-xD 500 66 9ms 1 Apr 2022 768th Lxkasmehl 500 66 8ms 17 Jul 2025 768th Xanderium 500 66 9ms 29 Aug 2025 774th labster 493 67 22ms 5 Mar 2018 774th aberthier 493 67 25ms 6 Mar 2018 774th GustavSt 493 67 10ms 4 Mar 2020 774th mattduag 493 67 8ms 20 Dec 2022 774th henrygagnier 493 67 9ms 19 Nov 2024 774th osNiko 🇧🇷 493 67 9ms 23 Jul 2025 780th ChuaJ 485 68 9ms 25 Apr 2019 780th EfiGordon 485 68 9ms 24 Jul 2020 780th aphrim 🇺🇸 485 68 9ms 30 Oct 2021 780th pfysches-boop 485 68 9ms 6 Aug 2023 784th cooldreamer 478 69 9ms 20 Aug 2019 784th gabsumm 478 69 9ms 12 Jan 2022 786th everchanger 471 70 9ms 6 Jun 2020 786th tik25 471 70 9ms 28 Mar 2024 788th abishek28007 465 71 9ms 7 Sep 2020 788th k4rli 465 71 8ms 20 Jan 2021 788th jessegyger 465 71 8ms 7 Nov 2022 788th Pyro569 465 71 8ms 30 Jul 2023 788th apokryfos 465 71 26ms 18 Aug 2023 793rd rishavb123 458 72 10ms 19 Jul 2018 793rd DaleNaci 458 72 10ms 19 Jul 2018 793rd Cr3aHal0 458 72 10ms 14 Jun 2019 793rd Tert0 458 72 24ms 24 Apr 2021 793rd scottjones4k 458 72 9ms 5 Jul 2022 793rd sm1lko 458 72 9ms 14 Dec 2022 793rd logalex8369 🇺🇸 458 72 25ms 18 Dec 2025 800th plibither8 446 74 9ms 27 Apr 2020 First Prev 721–800 of 869 Next Last