Card Number Validation 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 Gray Code Decoder Gray Code Encoder 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) Taxicab Numbers 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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) Taxicab Numbers 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st duckyluuk 🇳🇱 1,000 68 11ms 4 Oct 2024 1st JayXon 🇺🇸 1,000 68 10ms 4 Oct 2024 1st emplv 🇱🇻 1,000 68 10ms 24 Oct 2024 1st rucin93 🇵🇱 1,000 68 10ms 24 Oct 2024 1st sean-niemann 🇺🇸 1,000 68 11ms 13 Nov 2024 1st Steffan153 🇫🇮 1,000 68 10ms 11 Feb 2026 7th nwellnhof 🇩🇪 986 69 15ms 8 Oct 2024 8th stefangimmillaro 971 70 14ms 3 Oct 2024 9th GrayJoKing 🇦🇺 958 71 10ms 1 Oct 2024 9th pardouin 🇫🇷 958 71 10ms 2 Oct 2024 9th ovs-code 🇩🇪 958 71 10ms 3 Oct 2024 9th vlpx 🇫🇮 958 71 18ms 23 Oct 2024 9th lukegustafson 🇺🇸 958 71 11ms 22 Feb 2026 14th xsot 🇸🇬 944 72 12ms 10 Oct 2024 14th edsrzf 🇳🇿 944 72 10ms 20 Feb 2026 16th dmrichwa 🇺🇸 932 73 10ms 5 Oct 2024 16th DialFrost 🇸🇬 932 73 11ms 12 Oct 2024 18th Natanaelel 🇸🇪 919 74 12ms 1 Oct 2024 18th helbling 🇨🇭 919 74 11ms 1 Oct 2024 18th Irratix 🇳🇱 919 74 14ms 14 Oct 2024 18th emgordon154 919 74 10ms 18 Nov 2024 22nd voytxt 🇨🇿 907 75 11ms 1 Oct 2024 22nd MeWhenI 🇻🇦 907 75 12ms 2 Oct 2024 22nd m-tkach 🇺🇦 907 75 13ms 5 Oct 2024 22nd error256 907 75 13ms 7 Oct 2024 22nd Argeento 🇵🇱 907 75 11ms 2 hours ago 27th Lv0Sys 🇵🇱 895 76 12ms 22 Feb 2026 28th Shanethegamer 🇺🇸 883 77 11ms 1 Oct 2024 28th biocommando 🇫🇮 883 77 11ms 13 Jun 2025 30th dcgjb 872 78 12ms 6 May 2025 31st trinityy-7 850 80 11ms 23 Jul 2025 32nd tayloia 🇬🇧 840 81 9ms 3 Oct 2024 32nd targrik 840 81 11ms 8 Feb 2025 34th KingSkyrock 🇺🇸 829 82 11ms 14 Oct 2024 35th uttumuttu 🇫🇮 819 83 13ms 1 Oct 2024 35th KatieLG 🇬🇧 819 83 10ms 1 Oct 2024 35th Larento 819 83 9ms 4 Nov 2024 35th Andrey-Plotnikov 819 83 10ms 13 Jan 2025 35th nathanadams 🇳🇿 819 83 10ms 6 Oct 2025 40th didion0 🇺🇸 810 84 11ms 10 Jan 2025 41st weliveinhell 🇭🇹 800 85 11ms 1 Oct 2024 41st SteRoy 800 85 13ms 13 May 2025 43rd Maznek 791 86 10ms 4 Oct 2024 44th KrausRaus 🇺🇸 782 87 10ms 1 Oct 2024 44th GeorgeStechman 🇬🇧 782 87 13ms 24 Oct 2024 44th coreynash 782 87 10ms 13 Feb 2025 47th kirjavascript 773 88 10ms 15 Mar 2025 48th dtbao20 🇻🇳 764 89 12ms 1 Oct 2024 48th madeforlosers 764 89 22ms 17 Oct 2024 48th junkondo-jp 764 89 12ms 14 Dec 2024 48th alexsave 764 89 12ms 20 Jan 2026 52nd LukeBridges 🇬🇧 739 92 10ms 3 Oct 2024 52nd ComradeSquirrel 739 92 11ms 16 days ago 54th Salutations45 731 93 11ms 17 Nov 2024 54th strattonwhisler 731 93 10ms 26 Mar 2025 54th JOrE20 731 93 11ms 12 Feb 2026 57th two-bad 🇬🇧 701 97 11ms 2 Oct 2024 57th LordSir101 701 97 11ms 10 Aug 2025 59th xyangst 694 98 40ms 15 Oct 2024 59th BambooleanLogic 🇸🇪 694 98 11ms 21 Oct 2024 61st CaedenHarper 🇨🇦 680 100 10ms 22 Aug 2025 61st iczelia 🇩🇪 680 100 10ms 11 Oct 2025 61st Yax42 🇫🇷 680 100 11ms 27 Nov 2025 64th XenThe 🇬🇧 667 102 10ms 7 Jul 2025 64th Florian-Mt 667 102 11ms 5 Dec 2025 66th BalaM314 654 104 12ms 4 Feb 2025 66th acollett89 654 104 11ms 15 Jul 2025 68th HumanoidCPU 642 106 12ms 7 Mar 2025 68th daveberlin 642 106 10ms 27 Jun 2025 70th tomh1012 630 108 11ms 12 Mar 2026 71st gigaprofisi 🇺🇸 618 110 12ms 11 Aug 2025 71st denkyuu1 618 110 11ms 26 days ago 71st RealBen9 🇬🇧 618 110 10ms 14 days ago 74th 823126 607 112 11ms 13 Nov 2024 74th dokutan 607 112 11ms 22 Jun 2025 74th snoozingnewt 🇨🇦 607 112 11ms 2 Nov 2025 77th madex 🇩🇪 586 116 10ms 1 Oct 2024 78th zakariamouhid 576 118 13ms 1 Oct 2024 79th eranws 571 119 10ms 23 Dec 2024 80th deancureton 562 121 11ms 30 Dec 2024 81st Protothor 557 122 10ms 10 Mar 2026 82nd owen-c-parker 🇺🇸 519 131 12ms 1 Oct 2024 83rd MyXoToD 🇩🇪 466 146 10ms 26 May 2025 84th Mabeloid 🇳🇴 428 159 15ms 12 Oct 2024 85th Ralac07 🇦🇺 420 162 12ms 3 Oct 2024 86th noahhorlacher 356 191 11ms 7 Dec 2024 1–86 of 86