Happy Numbers in JavaScript in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 150th rodigu 585 106 14 Jun 2021 152nd xyangst 579 107 7 Oct 2024 153rd RonnyPumaricra 574 108 25 Nov 2020 153rd tscherter 574 108 4 Dec 2020 155th sethimcclaine 569 109 5 Apr 2019 155th ereztaiar 🇮🇱 569 109 7 Sep 2021 155th olleicua 🇺🇸 569 109 13 Feb 2024 158th berdzi 564 110 8 Mar 2022 158th adamnielson42 🇺🇸 564 110 30 May 2023 160th ian-odonnell 559 111 14 Mar 2018 160th dsntzn 🇸🇰 559 111 21 Aug 2020 160th wansacis 🇩🇪 559 111 26 Jul 2021 160th SpareManiKatti 559 111 9 Sep 2021 164th Ashikpaul 🇮🇳 554 112 9 May 2021 165th JRaspass 🇬🇧 549 113 7 Jul 2020 165th Kibble 549 113 12 Jul 2020 165th gnlow 🇰🇷 549 113 6 Mar 2021 165th kozgera 549 113 19 May 2021 165th theunofficialcoder 549 113 18 Aug 2021 165th AnnoyedArt1256 549 113 8 Jan 2022 165th GeorgeStechman 🇬🇧 549 113 7 Jun 2022 165th TechNolaByte 549 113 26 Dec 2022 165th ZoeMcG 549 113 8 Jan 2023 165th hacker19374 549 113 10 Mar 2023 165th HumanoidCPU 549 113 3 May 2024 165th gigaprofisi 🇺🇸 549 113 20 Jun 2025 177th jiaminglimjm 🇲🇾 544 114 4 Jul 2020 178th KatieLG-Transpiler 🇬🇧 539 115 23 Jun 2022 178th apokryfos 539 115 21 Aug 2023 178th hacker112 🇸🇪 539 115 20 Jun 2024 181st dijs 534 116 5 Dec 2019 182nd Cr3aHal0 530 117 27 Jun 2019 183rd wrauner 525 118 15 Aug 2019 184th lowlighter 521 119 30 Oct 2020 184th TheRealOhead 🇺🇸 521 119 25 Jan 2023 186th Nefsen402 517 120 23 Jan 2019 186th MrMullac 517 120 2 May 2025 188th pbarath 504 123 19 May 2021 189th emilianoyaryura 500 124 30 Jan 2021 190th lewdev 🇺🇸 496 125 26 Jul 2021 190th bac0id 496 125 30 Jun 2024 192nd efgen 492 126 14 Jun 2020 193rd vititu 481 129 29 Apr 2020 193rd maxpelic 🇺🇸 481 129 10 Jul 2022 195th davidbutt 477 130 26 Jul 2018 195th TheLazySquid 477 130 21 Dec 2022 197th DmyBor 473 131 4 May 2018 197th aaronze 🇦🇺 473 131 25 Apr 2021 197th Florian-Mt 473 131 23 Oct 2023 200th varbrad 466 133 5 Dec 2017 200th McErer 466 133 12 Jan 2019 200th vroup 🇩🇰 466 133 2 Oct 2022 203rd OmegaB0t 463 134 5 Dec 2019 203rd lunananananananana 🇨🇭 463 134 27 Jun 2021 205th marekMin 456 136 11 Jun 2019 206th roguh 🇬🇹 453 137 13 Oct 2024 207th ioioii 443 140 13 Dec 2019 208th msbranicky 440 141 8 Sep 2023 209th apatozi 428 145 10 May 2021 210th retrohun 425 146 21 Dec 2018 210th mikerees 425 146 5 Aug 2019 210th pandapawskat 425 146 2 Dec 2020 210th mokymok 🇺🇸 425 146 8 Nov 2021 210th zt14427 425 146 4 Mar 2023 210th itserasmus 425 146 17 Jan 2024 210th Mabeloid 🇳🇴 425 146 20 Sep 2024 217th Johannesd3 411 151 5 Apr 2020 218th Ranner198 397 156 13 Jun 2024 219th stadamdoki 395 157 17 May 2021 220th MyXoToD 🇩🇪 390 159 8 May 2025 221st jacobshu 380 163 15 Oct 2020 222nd tfk333 310 200 23 Feb 2018 223rd YoungjuneKwon 302 205 6 Dec 2018 224th WilleyOhana 276 225 13 Jan 2022 225th nati047 243 255 7 Apr 2023 Prev 151–225 of 231 Next
