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 717th mackereldev 541 61 10ms 27 Apr 2022 717th Smetalo 541 61 10ms 24 Aug 2022 717th DCerane 541 61 24ms 14 Oct 2022 717th mobibluman 541 61 9ms 23 Oct 2023 725th N3phi1im 532 62 11ms 22 Nov 2018 725th janga1 532 62 8ms 19 Aug 2021 725th charlieharutaka 532 62 10ms 28 Sep 2021 725th Gpopcorn 532 62 9ms 29 Mar 2022 725th programmeruser2 532 62 9ms 3 Mar 2023 725th ANovelForStudy 532 62 10ms 9 Jun 2023 725th deniz-blue 532 62 9ms 19 Oct 2023 725th TotoAJ 532 62 9ms 12 Dec 2023 733rd ahmedzafar89 524 63 9ms 13 Sep 2018 733rd McErer 524 63 9ms 11 Jan 2019 733rd blucky36 524 63 25ms 27 Feb 2019 733rd Jdender 524 63 39ms 21 Aug 2019 733rd DaCoolOne 524 63 9ms 24 Nov 2019 733rd grenierdev 524 63 9ms 3 Dec 2019 733rd saschakaupp 524 63 10ms 5 Dec 2019 733rd Randomness74 524 63 9ms 14 Mar 2020 733rd heigertd 524 63 9ms 26 May 2020 733rd Fulkman 524 63 9ms 19 Sep 2020 733rd Fanrco 524 63 9ms 31 Aug 2023 733rd null-tangent 524 63 27ms 3 Apr 2025 745th DmyBor 516 64 9ms 4 May 2018 745th ollybrabs 516 64 19ms 22 Aug 2018 745th Kingohearts 516 64 10ms 22 Sep 2018 745th sammylou852 516 64 10ms 30 Nov 2018 745th jonot-cyber 516 64 9ms 16 Jun 2019 745th Pablo-No 516 64 9ms 15 Jul 2020 745th richard-oelze 🇩🇪 516 64 9ms 6 Nov 2020 745th WilliamKeating 516 64 10ms 14 Jan 2022 745th OfficialCB 516 64 9ms 11 Dec 2023 745th Mikey-Beep 🇬🇧 516 64 9ms 25 Dec 2024 755th varbrad 508 65 11ms 5 Dec 2017 755th masashimachida 508 65 10ms 27 Jul 2020 755th kozgera 508 65 10ms 9 Apr 2021 755th kellyGipson 508 65 9ms 2 Jun 2021 755th Ivraj 508 65 26ms 11 Dec 2022 760th Draegert 500 66 22ms 4 Jun 2019 760th con-cs 500 66 9ms 26 Oct 2021 760th RegularSalamander 500 66 38ms 29 Jan 2022 760th Zylar-xD 500 66 10ms 1 Apr 2022 760th Lxkasmehl 500 66 11ms 17 Jul 2025 760th Xanderium 500 66 9ms 29 Aug 2025 766th labster 493 67 20ms 5 Mar 2018 766th aberthier 493 67 29ms 6 Mar 2018 766th GustavSt 493 67 10ms 4 Mar 2020 766th mattduag 493 67 10ms 20 Dec 2022 766th henrygagnier 493 67 11ms 19 Nov 2024 766th osNiko 🇧🇷 493 67 10ms 23 Jul 2025 772nd ChuaJ 485 68 9ms 25 Apr 2019 772nd EfiGordon 485 68 8ms 24 Jul 2020 772nd aphrim 🇺🇸 485 68 10ms 30 Oct 2021 772nd pfysches-boop 485 68 11ms 6 Aug 2023 776th cooldreamer 478 69 8ms 20 Aug 2019 776th gabsumm 478 69 9ms 12 Jan 2022 778th everchanger 471 70 9ms 6 Jun 2020 778th tik25 471 70 9ms 28 Mar 2024 780th abishek28007 465 71 10ms 7 Sep 2020 780th k4rli 465 71 9ms 20 Jan 2021 780th jessegyger 465 71 9ms 7 Nov 2022 780th Pyro569 465 71 9ms 30 Jul 2023 780th apokryfos 465 71 26ms 18 Aug 2023 785th rishavb123 458 72 13ms 19 Jul 2018 785th DaleNaci 458 72 9ms 19 Jul 2018 785th Cr3aHal0 458 72 10ms 14 Jun 2019 785th Tert0 458 72 25ms 24 Apr 2021 785th scottjones4k 458 72 10ms 5 Jul 2022 785th sm1lko 458 72 9ms 14 Dec 2022 785th logalex8369 🇺🇸 458 72 25ms 13 days ago 792nd plibither8 446 74 10ms 27 Apr 2020 793rd robertfairley 440 75 26ms 21 Feb 2018 793rd dillon-duncando 440 75 23ms 21 Dec 2021 795th sethimcclaine 434 76 10ms 5 Apr 2019 795th James-revans 434 76 9ms 31 Dec 2019 795th thacuber2a03 🇩🇴 434 76 9ms 24 Jul 2024 798th tfk333 429 77 9ms 23 Feb 2018 799th skinnersp 423 78 26ms 13 Jul 2020 799th PoseidonCoder 423 78 9ms 25 Aug 2020 First Prev 721–800 of 859 Next Last