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Challenges
2,421 JavaScript challenges
Python
JavaScript
Search
Expensive Words
Hard
JavaScript
strings
algorithms
Fauna in Chitwan National Park
Hard
JavaScript
logic
language_fundamentals
regex
A Periodic Series
Hard
JavaScript
loops
strings
Harshad Numbers
Hard
JavaScript
algebra
math
numbers
Car Park Exit
Hard
JavaScript
games
arrays
logic
KixCodes in the Netherlands
Hard
JavaScript
algorithms
formatting
regex
Alphabet Clash (Battle of the ASCII Values)
Hard
JavaScript
control_flow
data_structures
strings
Rearrange the Sentence
Hard
JavaScript
algorithms
logic
sorting
Dead End Number Sequence
Hard
JavaScript
loops
numbers
Lemonade Stand
Hard
JavaScript
logic
math
numbers
Name Count Equality
Hard
JavaScript
strings
objects
Remove the Computer Virus
Hard
JavaScript
strings
formatting
Simple Minesweeper
Hard
JavaScript
games
arrays
Sums of Powers of Two
Hard
JavaScript
numbers
algorithms
math
Triangle Challenge
Hard
JavaScript
trigonometry
loops
math
Alt Facts, Semi Facts
Hard
JavaScript
math
numbers
recursion
Parentheses Clusters
Hard
JavaScript
strings
data_structures
Primitive Pythagorean Triples
Hard
JavaScript
algebra
conditions
higher_order_functions
Vowel Families
Hard
JavaScript
objects
strings
sorting
Same Letter Patterns
Hard
JavaScript
strings
validation
regex
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