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2,421 JavaScript challenges
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Hard
JavaScript
arrays
language_fundamentals
numbers
Find the Largest Prime within a Range
Hard
JavaScript
math
loops
logic
Round to Closest N
Hard
JavaScript
numbers
logic
arrays
Abbreviations Unique?
Hard
JavaScript
strings
higher_order_functions
Factor Tractor
Hard
JavaScript
math
recursion
logic
Scoring a Field Goal
Hard
JavaScript
arrays
strings
validation
You Sunk My Battleship!
Hard
JavaScript
games
arrays
language_fundamentals
Extract a Value between Two Values
Hard
JavaScript
regex
Oddly or Evenly Positioned
Hard
JavaScript
arrays
functional_programming
validation
Phone Number Word Decoder
Hard
JavaScript
formatting
language_fundamentals
strings
Does the Cargo Fit? (Part 1)
Hard
JavaScript
logic
math
strings
How Many "Prime Numbers" Are There?
Hard
JavaScript
algebra
algorithms
conditions
Filter Primes from an Array
Hard
JavaScript
algorithms
arrays
numbers
Balanced Array
Hard
JavaScript
arrays
conditions
math
Modify Words
Hard
JavaScript
arrays
formatting
loops
Average Word Length
Hard
JavaScript
strings
math
Pluralize!
Hard
JavaScript
strings
arrays
loops
Flatten an Array
Hard
JavaScript
recursion
arrays
Letter Occurrences Per Word
Hard
JavaScript
arrays
data_structures
algorithms
Sort Names According to the Length of Their Last Names
Hard
JavaScript
algorithms
control_flow
strings
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