Happy Numbers 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 ><> 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 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 80th randolchance 765 81 13ms 5 Jan 2023 80th SirFireball3521 765 81 9ms 28 Jan 2023 83rd GarboMuffin 756 82 9ms 23 Jul 2018 83rd raphaelimahorn 756 82 9ms 17 Aug 2021 83rd biocommando 🇫🇮 756 82 9ms 22 Aug 2023 83rd acollett89 756 82 10ms 4 Aug 2025 83rd Protothor 756 82 11ms 117 mins ago 88th dee-gomma 747 83 9ms 27 Mar 2019 88th Garklein 🇨🇦 747 83 9ms 20 Feb 2022 88th trinityy-7 747 83 11ms 6 Dec 2023 91st Mazn3k 738 84 12ms 15 Mar 2023 92nd piano-miles 729 85 10ms 12 Mar 2023 92nd coreynash 729 85 11ms 17 Oct 2023 92nd CaedenHarper 🇨🇦 729 85 15ms 31 Aug 2025 95th alexkunin 721 86 12ms 3 Jul 2019 95th uttumuttu 🇫🇮 721 86 10ms 4 Jan 2022 95th lordsnek 721 86 10ms 19 Jan 2023 95th junkondo-jp 721 86 9ms 13 May 2024 99th Chegleyev 713 87 10ms 2 Feb 2020 100th elisherer 🇮🇱 705 88 8ms 23 Dec 2019 101st jackkav 697 89 8ms 13 Apr 2018 101st moikaturns 🇬🇧 697 89 10ms 20 Oct 2022 101st codewrite 🇬🇧 697 89 12ms 30 Jun 2025 101st Andrey-Plotnikov 697 89 11ms 27 Sep 2025 105th obarakon 689 90 376ms 20 Dec 2018 105th amiralitaheri 689 90 14ms 23 Feb 2023 105th m42km 689 90 9ms 7 Oct 2023 108th mrxz 🇳🇱 681 91 14ms 23 Jun 2019 108th nguyenl2 681 91 14ms 24 May 2022 108th BambooleanLogic 🇸🇪 681 91 9ms 13 Nov 2022 108th daniel-cardone 681 91 9ms 23 Aug 2023 112th cmorten 674 92 11ms 2 Nov 2017 112th NatNgs 674 92 11ms 21 Jan 2020 112th BBoehm 🇩🇪 674 92 9ms 19 Dec 2020 112th omurakazuaki 🇯🇵 674 92 10ms 19 Feb 2021 112th CatsAreFluffy 674 92 9ms 12 Dec 2022 112th Davr1 🇨🇿 674 92 10ms 14 Oct 2023 112th alexsave 674 92 13ms 7 Nov 2024 119th user189032 667 93 9ms 29 May 2019 119th LukeBridges 🇬🇧 667 93 16ms 8 Oct 2024 121st Kesefon 660 94 9ms 24 Nov 2022 122nd mintypython 653 95 11ms 21 Oct 2018 122nd tomh1012 653 95 13ms 16 Sep 2020 122nd KingSkyrock 🇺🇸 653 95 11ms 11 Mar 2022 122nd a6166231 🇨🇳 653 95 15ms 20 May 2025 126th Giga-Bowser 646 96 9ms 3 Jan 2022 126th zakariamouhid 646 96 10ms 1 May 2023 128th caasinehc 639 97 14ms 16 Oct 2018 128th squadb3 639 97 15ms 31 Aug 2019 128th mobibluman 639 97 10ms 17 Oct 2022 131st rambox11 633 98 8ms 2 Apr 2018 131st frobinsonj 633 98 9ms 28 Jun 2018 131st paavohuhtala 633 98 10ms 4 Jan 2020 134th jake-freeman 626 99 9ms 12 May 2020 134th Natanaelel 🇸🇪 626 99 10ms 20 Mar 2022 134th raszpi 🇭🇺 626 99 10ms 3 Sep 2023 137th ShiraJoseph 🇺🇸 620 100 13ms 28 Apr 2022 137th Salutations45 620 100 9ms 2 Jan 2025 137th smclaughlin-cf 620 100 10ms 26 Nov 2025 140th Caylyn 614 101 10ms 22 Dec 2018 140th skps2010 614 101 10ms 4 Jan 2019 142nd oitio 608 102 10ms 31 May 2019 142nd lukasmoellerch 608 102 10ms 14 Jul 2019 144th steffan-polygolf 602 103 10ms 19 Feb 2024 144th r-schmidtke 602 103 9ms 26 Jun 2024 146th Palladium02 596 104 10ms 5 May 2025 147th Zolmeister 590 105 8ms 31 Jan 2019 147th paudr 590 105 14ms 5 May 2019 147th modellking 590 105 10ms 3 Jun 2020 147th hyvyys 590 105 9ms 18 Sep 2020 147th GusGold 590 105 13ms 17 Nov 2020 147th typeswitch-dev 🇵🇹 590 105 10ms 1 Aug 2023 153rd Jooraz 585 106 12ms 13 May 2019 153rd rodigu 585 106 14ms 14 Jun 2021 155th xyangst 579 107 9ms 7 Oct 2024 156th RonnyPumaricra 574 108 9ms 25 Nov 2020 156th tscherter 574 108 11ms 4 Dec 2020 158th sethimcclaine 569 109 10ms 5 Apr 2019 158th ereztaiar 🇮🇱 569 109 10ms 7 Sep 2021 158th olleicua 🇺🇸 569 109 10ms 13 Feb 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