ISBN 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 81st BambooleanLogic 🇸🇪 771 96 11ms 20 Aug 2022 81st vroup 🇩🇰 771 96 13ms 2 Oct 2022 81st Ultra814 771 96 11ms 17 Aug 2025 81st tomh1012 771 96 9ms 21 Nov 2025 85th dokutan 763 97 10ms 5 Jun 2025 85th iczelia 🇩🇪 763 97 10ms 26 Sep 2025 85th johnkiernander 763 97 10ms 14 Dec 2025 88th krcs 🇵🇱 755 98 12ms 2 May 2022 88th stefangimmillaro 755 98 10ms 12 Sep 2024 90th GeorgeStechman 🇬🇧 747 99 10ms 19 May 2022 90th vphoebe 747 99 11ms 25 May 2022 90th elisherer 🇮🇱 747 99 11ms 5 Jun 2022 93rd fitzdotlol 🇺🇸 733 101 11ms 7 Mar 2022 93rd mrxz 🇳🇱 733 101 10ms 23 Jun 2024 95th ShiraJoseph 🇺🇸 725 102 10ms 28 Jan 2023 95th itserasmus 725 102 10ms 17 Jan 2024 95th eranws 725 102 11ms 23 Dec 2024 98th a6166231 🇨🇳 712 104 11ms 29 May 2025 99th alexsave 705 105 10ms 8 Nov 2024 99th acollett89 705 105 10ms 1 Aug 2025 99th LordSir101 705 105 12ms 16 Aug 2025 102nd zakariamouhid 698 106 11ms 14 May 2023 103rd BloodStormKnight 692 107 11ms 15 Oct 2022 103rd LukeBridges 🇬🇧 692 107 14ms 8 Nov 2022 103rd hacker112 🇸🇪 692 107 9ms 24 Jun 2024 106th xyangst 679 109 9ms 7 Oct 2024 107th mckymsh 673 110 11ms 17 Feb 2024 107th madex 🇩🇪 673 110 9ms 6 Jun 2024 107th madeforlosers 673 110 11ms 13 Sep 2024 107th gigaprofisi 🇺🇸 673 110 11ms 4 Sep 2025 111th SkimnerPhi 655 113 9ms 11 Mar 2022 111th msbranicky 655 113 10ms 8 Sep 2023 113th unfinishedprogram 632 117 10ms 3 Oct 2024 114th aliakseikalosha 627 118 13ms 8 Oct 2024 115th denkyuu1 592 125 9ms 2 hours ago 116th eiburns 583 127 10ms 12 Jan 2022 116th SpareManiKatti 583 127 10ms 19 Apr 2022 116th null-tangent 583 127 12ms 4 Aug 2022 116th Vaekor 583 127 11ms 9 Jul 2023 116th Lxkasmehl 583 127 11ms 17 Jul 2025 121st apokryfos 578 128 10ms 19 Aug 2023 122nd MiranDaniel 🇨🇿 556 133 14ms 31 Aug 2023 122nd snoozingnewt 🇨🇦 556 133 10ms 23 Sep 2023 124th AnnoyedArt1256 521 142 10ms 12 Jan 2022 125th MyXoToD 🇩🇪 503 147 12ms 2 Jul 2024 126th misono-nobuhiro 443 167 12ms 15 Mar 2023 127th Florian-Mt 423 175 13ms 9 Jul 2024 128th kevinnaviapaiva 409 181 9ms 23 Jul 2025 129th WilleyOhana 389 190 14ms 19 Jan 2022 130th halp1 361 205 10ms 8 Apr 2022 131st KatieLG-Transpiler 🇬🇧 271 273 14ms 2 Jul 2022 132nd csangos 220 337 9ms 5 Jan 2023 First Prev 81–132 of 132
