Kata Library: JavaScript Practice
Sign Up
Time to claim your honor
Training
Practice
Complete challenging
Kata
to earn honor and ranks. Re-train to hone technique
Freestyle Sparring
Take turns remixing and refactoring others code through
Kumite
Community
Leaderboards
Achieve honor and move up the global leaderboards
Chat
Join our
Discord
server and chat with your fellow code warriors
Discussions
View our
Github Discussions
board to discuss general Codewars topics
About
Docs
Learn about all of the different aspects of Codewars
Blog
Read the latest news from Codewars and the community
Log In
Sign Up
Library
Collections
Newest
Oldest
Popularity
Positive Feedback
Most Completed
Least Completed
Hardest
Easiest
Name
Relevance
Low Satisfaction
All
My Languages
Agda (Beta)
BF (Beta)
C
CFML (Beta)
Clojure
COBOL (Beta)
CoffeeScript
CommonLisp (Beta)
Coq
C++
Crystal
C#
D (Beta)
Dart
Elixir
Elm (Beta)
Erlang (Beta)
Factor (Beta)
Forth (Beta)
Fortran (Beta)
F#
Go
Groovy
Haskell
Haxe (Beta)
Idris (Beta)
Java
JavaScript
Julia (Beta)
Kotlin
λ Calculus (Beta)
Lean
Lua
NASM
Nim (Beta)
Objective-C (Beta)
OCaml (Beta)
Pascal (Beta)
Perl (Beta)
PHP
PowerShell (Beta)
Prolog (Beta)
PureScript (Beta)
Python
R (Beta)
Racket
Raku (Beta)
Reason (Beta)
RISC-V (Beta)
Ruby
Rust
Scala
Shell
Solidity (Beta)
SQL
Swift
TypeScript
VB (Beta)
Approved & Beta
Approved
Beta
All
Kata I have not trained on
Kata I have not completed
Kata I have completed
8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
hardest
Algebra
1
Algorithms
57
Arrays
23
Ciphers
1
Cryptography
1
Data Structures
8
Dynamic Programming
1
Fundamentals
23
Game Solvers
1
Games
5
Graph Theory
2
Graphics
1
Image Processing
2
Language Features
1
Linear Algebra
9
Lists
2
Logic
2
Mathematics
17
Matrix
75
Performance
2
Permutations
1
Puzzles
12
Recursion
1
Regular Expressions
1
Restricted
2
Searching
1
Sorting
1
Strings
4
Tutorials
1
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
75 Kata Found
4 kyu
Matrix Determinant
24,218
pjfranzini
8 Issues Reported
Matrix
Linear Algebra
Mathematics
Recursion
Algorithms
6 kyu
Name to Matrix
975
Coder_38
1 Issue Reported
Strings
Arrays
Algorithms
Matrix
5 kyu
Square Matrix Multiplication
7,728
xDranik
1 Issue Reported
Matrix
Linear Algebra
Algorithms
7 kyu
Find sum of top-left to bottom-right diagonals
5,742
Nase00
Matrix
Arrays
Fundamentals
6 kyu
#4 Matrices: Process for a Square Matrix
360
raulbc777
Mathematics
Data Structures
Matrix
Linear Algebra
Fundamentals
6 kyu
#8 Matrices: Up and Down Sorting For Each Column
509
raulbc777
Fundamentals
Algorithms
Data Structures
Mathematics
Matrix
Sorting
6 kyu
Simple Fun #65: Matrix Elements Sum
495
myjinxin2015
Puzzles
Matrix
Algorithms
5 kyu
Stop the Zombie Apocalypse!
388
zorza
Algorithms
Arrays
Matrix
6 kyu
Simple Fun #233: Segment Sums Matrix
140
myjinxin2015
Algorithms
Matrix
Beta
Isometric matrix
9
mrHoft
Status:
Testing & feedback needed
Estimated Rank:
6 kyu
Matrix
6 kyu
Simple Fun #214: Pascal Matrix
122
myjinxin2015
Puzzles
Mathematics
Algorithms
Matrix
5 kyu
Submatrix
49
surtich
Matrix
Algorithms
6 kyu
Triangular matrices.
167
ebracho
2 Issues Reported
Matrix
Linear Algebra
Algorithms
6 kyu
Find The Max Sum Of Contiguous-Submatrix In a Matrix - Simple Version
86
myjinxin2015
1 Issue Reported
Algorithms
Matrix
5 kyu
Walking in the NASA facility
83
MelonFruit
Matrix
Fundamentals
Algorithms
Puzzles
7 kyu
Principal Diagonal | VS | Secondary Diagonal
2,633
CRYPTON
Fundamentals
Matrix
Algorithms
7 kyu
The Lazy Startup Office
2,190
Cleop
1 Issue Reported
Arrays
Matrix
Fundamentals
6 kyu
Logistic Map
481
GiacomoSorbi
2 Issues Reported
Graph Theory
Matrix
Arrays
Lists
Algorithms
7 kyu
Matrix creation
3,254
Dmitry Kudla
Fundamentals
Arrays
Matrix
Linear Algebra
Mathematics
Language Features
5 kyu
[Code Golf] Fill matrix with a zigzag
56
AndreyMaksimov
1 Issue Reported
Matrix
Algorithms
Restricted
6 kyu
Verify if it's valid (n x n) Magic Square with custom rules
166
Jejek
Algorithms
Matrix
5 kyu
The Bee
273
EgorArh
Algorithms
Mathematics
Matrix
Puzzles
Performance
Dynamic Programming
6 kyu
Setting Places for the Dead
350
rowcased
Algorithms
Matrix
7 kyu
Diagonals sum
2,456
surtich
Matrix
Algorithms
6 kyu
Checkerboard Resolution
439
Kacarott
Performance
Algorithms
Matrix
5 kyu
Rotate a square matrix like a vortex
584
user5036852
Logic
Arrays
Algorithms
Matrix
7 kyu
Basics 04: Rotate Matrix
2,020
smile67
1 Issue Reported
Fundamentals
Mathematics
Arrays
Matrix
2 kyu
6 By 6 Skyscrapers
2,522
FrankK
4 Issues Reported
Mathematics
Puzzles
Games
Arrays
Matrix
Algorithms
4 kyu
Magnet particules in boxes
7,791
g964
1 Issue Reported
Mathematics
Matrix
Algorithms
5 kyu
The Snake in the Square
130
dgrcode
Matrix
Puzzles
Algorithms
Loading...
Confirm
Collect:
undefined
Loading collection data...