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2,421 JavaScript challenges
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Recursion: Find The Longest Word
Hard
JavaScript
recursion
sorting
strings
Largest Island
Hard
JavaScript
arrays
data_structures
logic
Is This a Haiku?
Hard
JavaScript
regex
validation
strings
Learn Lodash: _.differenceBy, Find the Difference in Arrays According to Given Value
Hard
JavaScript
arrays
functional_programming
Maxim Distance to the Nearest Occupied Slot
Hard
JavaScript
algorithms
logic
loops
Recursion: Fibonacci Word
Hard
JavaScript
arrays
recursion
strings
Multiply By 11
Hard
JavaScript
loops
algorithms
numbers
The Longest Substring
Hard
JavaScript
strings
regex
Recursion: Happy Number
Hard
JavaScript
arrays
recursion
validation
Centered Polygonal Number
Hard
JavaScript
math
numbers
Hexagonal Grid: Distance
Hard
JavaScript
games
logic
arrays
Indices of Zeroes for the Longest Run of Contiguous Ones
Hard
JavaScript
arrays
loops
How Many Digits between 1 and N
Hard
JavaScript
numbers
math
loops
Look-and-Say Sequence
Hard
JavaScript
numbers
strings
What Gives a Bad Mood?
Hard
JavaScript
algorithms
arrays
Can You Exit the Maze?
Hard
JavaScript
arrays
functional_programming
higher_order_functions
Water Jug Puzzle
Hard
JavaScript
algorithms
data_structures
conditions
Knights Jump
Hard
JavaScript
algorithms
arrays
logic
Doomsday Switches
Hard
JavaScript
logic
algorithms
Ruth and Aaron
Hard
JavaScript
math
numbers
validation
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