← codepractice
Challenges
2,421 JavaScript challenges
Python
JavaScript
Search
Jake's Meal Time
Hard
JavaScript
strings
arrays
dates
The Fiscal Code
Hard
JavaScript
strings
algorithms
formatting
Intersecting Rows and Columns
Hard
JavaScript
arrays
loops
higher_order_functions
Exactly Three
Hard
JavaScript
algebra
math
numbers
Valid Name
Hard
JavaScript
regex
conditions
functional_programming
Consecutive Ascending Numbers
Hard
JavaScript
arrays
sorting
strings
Longest Substring with Non-repeating Characters
Hard
JavaScript
strings
loops
Three Sum Problem
Hard
JavaScript
arrays
loops
math
Is It a Leap Year?
Hard
JavaScript
algorithms
math
numbers
Caesar's Cipher
Hard
JavaScript
algorithms
strings
cryptography
Syllabification
Hard
JavaScript
regex
strings
Frequency by Level of Nesting
Hard
JavaScript
arrays
recursion
language_fundamentals
Distance to Nearest Vowel
Hard
JavaScript
strings
loops
Recursion: Reversed List Index
Hard
JavaScript
recursion
strings
arrays
Tic-Tac-Toe
Hard
JavaScript
arrays
games
validation
Build a Diamond Machine
Hard
JavaScript
arrays
conditions
Convert an Arrow Function to a Regular Function
Hard
JavaScript
strings
regex
formatting
Numbers First, Letters Second
Hard
JavaScript
arrays
sorting
Minimum Steps to a Palindrome
Hard
JavaScript
strings
algorithms
Count the Countdown Sequences
Hard
JavaScript
arrays
algorithms
loops
← Previous
Page 108 of 122
Next →