JavaScript Algorithm Interview Problems: 8 Patterns with Solutions
Learn eight JavaScript algorithm interview patterns with worked solutions: array transforms, hashing, interval scans, matrix rotation, and async sequencing.
Algorithms
Coding-challenge walkthroughs and data-structure problems.
2 articles
Group Anagrams in JavaScript: Two Approaches (Sorted Key vs O(n·k) Count Key)
Group anagrams in JavaScript two ways: a sorted-string hash key (O(n·k log k)) and the optimal character-count key (O(n·k)). Clean code, complexity analysis, and the interview follow-ups.