Card Number Validation in JavaScript in chars. 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 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Chars Time 1st duckyluuk 🇳🇱 JavaScript 1,000 68 18 hours ago 1st JayXon 🇺🇸 JavaScript 1,000 68 5 hours ago 3rd stefangimmillaro JavaScript 971 70 a day ago 4th GrayJoKing 🇦🇺 JavaScript 958 71 3 days ago 4th nwellnhof 🇩🇪 JavaScript 958 71 3 days ago 4th emplv 🇱🇻 JavaScript 958 71 2 days ago 4th rucin93 🇵🇱 JavaScript 958 71 2 days ago 4th pardouin 🇫🇷 JavaScript 958 71 2 days ago 4th ovs-code 🇩🇪 JavaScript 958 71 a day ago 4th sean-niemann 🇺🇸 JavaScript 958 71 a day ago 11th Natanaelel 🇸🇪 JavaScript 919 74 3 days ago 11th helbling 🇨🇭 JavaScript 919 74 3 days ago 13th voytxt 🇨🇿 JavaScript 907 75 3 days ago 13th MeWhenI 🇻🇦 JavaScript 907 75 2 days ago 15th m-tkach 🇺🇦 JavaScript 895 76 14 hours ago 16th Shanethegamer 🇺🇸 JavaScript 883 77 3 days ago 16th DialFrost 🇸🇬 JavaScript 883 77 a day ago 18th error256 JavaScript 872 78 2 days ago 19th emgordon154 JavaScript 861 79 2 days ago 19th dmrichwa 🇺🇸 JavaScript 861 79 2 days ago 21st tayloia 🇬🇧 JavaScript 840 81 a day ago 22nd uttumuttu 🇫🇮 JavaScript 819 83 3 days ago 22nd KatieLG 🇬🇧 JavaScript 819 83 3 days ago 24th weliveinhell 🇭🇹 JavaScript 800 85 3 days ago 25th Maznek JavaScript 791 86 16 hours ago 26th KrausRaus 🇺🇸 JavaScript 782 87 4 days ago 27th dtbao20 🇻🇳 JavaScript 764 89 3 days ago 28th LukeBridges 🇬🇧 JavaScript 739 92 a day ago 29th xyangst JavaScript 731 93 3 days ago 30th HumanoidCPU JavaScript 701 97 3 days ago 30th two-bad 🇬🇧 JavaScript 701 97 2 days ago 32nd madex 🇩🇪 JavaScript 586 116 3 days ago 33rd zakariamouhid JavaScript 576 118 3 days ago 34th TheRealOhead 🇺🇸 JavaScript 519 131 3 days ago 35th Ralac07 🇦🇺 JavaScript 420 162 a day ago 1–35 of 35