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
13
Ciphers
1
Cryptography
1
Data Structures
5
Dynamic Programming
1
Fundamentals
8
Game Solvers
1
Games
4
Graph Theory
2
Image Processing
1
Linear Algebra
6
Lists
2
Logic
2
Mathematics
11
Matrix
57
Performance
2
Puzzles
11
Recursion
1
Restricted
2
Searching
1
Sorting
1
Strings
1
Tutorials
1
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
57 Kata Found
7 kyu
Diagonals sum
2,583
surtich
Matrix
Algorithms
4 kyu
Matrix Determinant
24,532
pjfranzini
8 Issues Reported
Matrix
Linear Algebra
Mathematics
Recursion
Algorithms
6 kyu
Name to Matrix
1,004
Coder_38
1 Issue Reported
Strings
Arrays
Algorithms
Matrix
5 kyu
Square Matrix Multiplication
7,807
xDranik
1 Issue Reported
Matrix
Linear Algebra
Algorithms
6 kyu
#8 Matrices: Up and Down Sorting For Each Column
515
raulbc777
Fundamentals
Algorithms
Data Structures
Mathematics
Matrix
Sorting
6 kyu
Simple Fun #65: Matrix Elements Sum
498
myjinxin2015
Puzzles
Matrix
Algorithms
5 kyu
Stop the Zombie Apocalypse!
395
zorza
Algorithms
Arrays
Matrix
6 kyu
Simple Fun #233: Segment Sums Matrix
140
myjinxin2015
Algorithms
Matrix
6 kyu
Simple Fun #214: Pascal Matrix
123
myjinxin2015
Puzzles
Mathematics
Algorithms
Matrix
5 kyu
Submatrix
49
surtich
Matrix
Algorithms
6 kyu
Triangular matrices.
171
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
86
MelonFruit
Matrix
Fundamentals
Algorithms
Puzzles
7 kyu
Principal Diagonal | VS | Secondary Diagonal
2,649
CRYPTON
Fundamentals
Matrix
Algorithms
6 kyu
Logistic Map
484
GiacomoSorbi
2 Issues Reported
Graph Theory
Matrix
Arrays
Lists
Algorithms
5 kyu
[Code Golf] Fill matrix with a zigzag
57
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
275
EgorArh
Algorithms
Mathematics
Matrix
Puzzles
Performance
Dynamic Programming
6 kyu
Setting Places for the Dead
353
rowcased
Algorithms
Matrix
6 kyu
Checkerboard Resolution
443
Kacarott
Performance
Algorithms
Matrix
5 kyu
Rotate a square matrix like a vortex
587
user5036852
Logic
Arrays
Algorithms
Matrix
2 kyu
6 By 6 Skyscrapers
2,538
FrankK
4 Issues Reported
Mathematics
Puzzles
Games
Arrays
Matrix
Algorithms
4 kyu
Magnet particules in boxes
7,813
g964
1 Issue Reported
Mathematics
Matrix
Algorithms
5 kyu
The Snake in the Square
132
dgrcode
Matrix
Puzzles
Algorithms
6 kyu
Matrix Addition
14,027
xDranik
3 Issues Reported
Matrix
Arrays
Algorithms
6 kyu
Matrix Transpose
7,936
osuushi
Mathematics
Algebra
Matrix
Algorithms
6 kyu
Pareto front
106
dogfew
Algorithms
Mathematics
Matrix
Tutorials
6 kyu
Same matrix (2 * 2)
654
trudbot
Algorithms
Matrix
5 kyu
Mine Sweeper: Easy version
28
Konstantin Modin
Matrix
Game Solvers
Algorithms
7 kyu
Block Dude
217
saudiGuy
Arrays
Matrix
Algorithms
Loading...
Confirm
Collect:
undefined
Loading collection data...