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2,421 JavaScript challenges
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Hard
JavaScript
strings
validation
Number of Even or Odd Digits
Hard
JavaScript
arrays
higher_order_functions
Unlucky Years
Hard
JavaScript
dates
language_fundamentals
Find the Missing Letter
Hard
JavaScript
math
arrays
algorithms
Anonymous Name
Hard
JavaScript
strings
arrays
loops
Zygodromes
Hard
JavaScript
numbers
validation
Sharing is Caring
Hard
JavaScript
arrays
numbers
Decimal and Binary Palindromes
Hard
JavaScript
numbers
strings
RegEx XVI : Quantifiers - x*, x+, x?
Hard
JavaScript
regex
formatting
Same on Both Ends
Hard
JavaScript
strings
loops
regex
Circle Constructor
Hard
JavaScript
objects
language_fundamentals
geometry
Calculate Next Position of One Point Moving Towards Another
Hard
JavaScript
games
algebra
objects
Coloured Triangles
Hard
JavaScript
games
language_fundamentals
strings
Delete Occurrences of Extra Elements in an Array
Hard
JavaScript
data_structures
arrays
Swapping Two by Two
Hard
JavaScript
regex
strings
No Good Numbers
Hard
JavaScript
conditions
language_fundamentals
Convert String to camelCase
Hard
JavaScript
strings
formatting
regex
Maze Escape
Hard
JavaScript
games
arrays
logic
Uno (Part 2)
Hard
JavaScript
arrays
games
conditions
Find the Shared Letters between Two Strings
Hard
JavaScript
strings
conditions
algorithms
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