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Challenges
2,421 JavaScript challenges
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Rotate-Transform the Two-Dimensional Matrix
Hard
JavaScript
algorithms
arrays
interview
Symmetrical Patterns
Hard
JavaScript
arrays
loops
Throwing <N> Amount of Darts Find All Possible Combinations to Reach a Target Score
Hard
JavaScript
arrays
loops
recursion
Land Perimeter
Hard
JavaScript
arrays
conditions
language_fundamentals
Sudoku Validation
Hard
JavaScript
higher_order_functions
validation
functional_programming
Consecutive Number Series
Hard
JavaScript
arrays
loops
numbers
Scoring Strings
Hard
JavaScript
strings
logic
Casual String Builder
Hard
JavaScript
conditions
formatting
regex
Sherlock and the Valid String
Hard
JavaScript
algorithms
strings
validation
Numbers to English
Hard
JavaScript
algorithms
data_structures
strings
String Cleaver
Hard
JavaScript
strings
validation
Aluminum Foil
Hard
JavaScript
loops
math
numbers
Clockwise Cipher
Hard
JavaScript
algorithms
cryptography
logic
Hidden Anagram
Hard
JavaScript
arrays
formatting
loops
Making a Simple Dartboard
Hard
JavaScript
arrays
numbers
loops
Sorting in R: Order (Part I)
Hard
JavaScript
sorting
arrays
Eat Chocolates
Hard
JavaScript
logic
regex
strings
Road Navigation
Hard
JavaScript
algorithms
data_structures
Resistor Networks
Hard
JavaScript
algorithms
data_structures
strings
Spiral Matrix
Hard
JavaScript
arrays
higher_order_functions
logic
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