PalindromemordnilaP 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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 1st nwellnhof 🇩🇪 1,000 76 9ms 5 Sep 2024 1st JayXon 🇺🇸 1,000 76 9ms 9 Sep 2024 3rd pardouin 🇫🇷 974 78 8ms 2 Sep 2024 3rd error256 974 78 9ms 4 Sep 2024 3rd sean-niemann 🇺🇸 974 78 9ms 19 Dec 2024 3rd rucin93 🇵🇱 974 78 9ms 31 Jan 2025 3rd Steffan153 🇫🇮 974 78 10ms 43 hours ago 8th Natanaelel 🇸🇪 950 80 9ms 1 Sep 2024 8th MeWhenI 🇻🇦 950 80 9ms 1 Sep 2024 8th helbling 🇨🇭 950 80 9ms 11 Jul 2025 11th emplv 🇱🇻 938 81 9ms 16 Sep 2024 11th vlpx 🇫🇮 938 81 9ms 23 Sep 2024 11th lukegustafson 🇺🇸 938 81 11ms 26 May 2025 14th voytxt 🇨🇿 927 82 9ms 1 Sep 2024 14th dmrichwa 🇺🇸 927 82 8ms 2 Sep 2024 16th tayloia 🇬🇧 916 83 9ms 1 Sep 2024 16th Lv0Sys 🇵🇱 916 83 10ms 10 Dec 2025 18th GrayJoKing 🇦🇺 905 84 9ms 2 Sep 2024 18th uttumuttu 🇫🇮 905 84 9ms 30 Sep 2024 18th didion0 🇺🇸 905 84 14ms 30 May 2025 21st duckyluuk 🇳🇱 884 86 9ms 1 Sep 2024 22nd KingSkyrock 🇺🇸 835 91 9ms 14 Oct 2024 23rd stefangimmillaro 809 94 8ms 4 Sep 2024 24th Shanethegamer 🇺🇸 800 95 9ms 1 Sep 2024 24th HumanoidCPU 800 95 9ms 29 Oct 2024 26th targrik 784 97 10ms 8 Feb 2025 27th alexsave 760 100 9ms 22 Sep 2024 28th emgordon154 752 101 9ms 1 Sep 2024 29th olleicua 🇺🇸 731 104 9ms 11 Sep 2024 29th charliegaming 731 104 9ms 28 Nov 2024 31st madeforlosers 717 106 10ms 23 Oct 2024 32nd Maznek 710 107 9ms 8 Oct 2024 32nd dokutan 710 107 10ms 5 Jun 2025 34th ShiraJoseph 🇺🇸 697 109 9ms 22 Sep 2024 35th mrxz 🇳🇱 691 110 10ms 22 Sep 2024 35th weliveinhell 🇭🇹 691 110 9ms 28 Sep 2024 37th KatieLG 🇬🇧 679 112 9ms 1 Sep 2024 37th CaedenHarper 🇨🇦 679 112 9ms 22 Aug 2025 39th BalaM314 673 113 9ms 4 Feb 2025 40th KrausRaus 🇺🇸 667 114 11ms 1 Sep 2024 41st Andrey-Plotnikov 661 115 8ms 30 Sep 2025 42nd BambooleanLogic 🇸🇪 655 116 9ms 19 Nov 2024 42nd acollett89 655 116 9ms 4 Aug 2025 44th mamamia5x 644 118 9ms 12 Sep 2024 45th GeorgeStechman 🇬🇧 623 122 10ms 5 Nov 2024 45th gigaprofisi 🇺🇸 623 122 9ms 10 Aug 2025 47th xyangst 618 123 9ms 15 Oct 2024 48th tomh1012 603 126 10ms 18 Sep 2025 49th JOrE20 🇺🇸 598 127 9ms 23 Dec 2025 50th snoozingnewt 🇨🇦 539 141 9ms 12 Oct 2025 51st LukeBridges 🇬🇧 535 142 10ms 3 Sep 2024 52nd junkondo-jp 510 149 9ms 15 Dec 2024 53rd R4z0rX 500 152 9ms 1 Sep 2024 54th two-bad 🇬🇧 487 156 9ms 4 Oct 2024 55th zakariamouhid 427 178 10ms 14 Sep 2024 1–55 of 55