Search interview questions
Practice 4 questions on search. Each runs in a real in-browser editor with Jest tests and a worked, diagram-backed solution.
4 questions
- JavaScriptCoding exercise
Array findLast / findLastIndex
EASYImplement findLast and findLastIndex — scan an array from the end for the last element matching a predicate.
15 minPractice - UI / FrameworksUI challenge4 variants
Command Palette
MEDIUMBuild a keyboard-driven command palette with fuzzy search and arrow-key navigation.
25 minPremium questionPractice - UI / FrameworksUI challenge4 variants
Emoji Picker
MEDIUMBuild an emoji picker with category tabs and a search filter that inserts the chosen emoji.
25 minPremium questionPractice - AlgorithmsCoding exercise
Search a 2D Matrix
MEDIUMSearch a matrix whose rows and columns are both sorted by walking a staircase from the top-right corner, eliminating a whole row or column at each step.
25 minPremium questionPractice