Frontend Engineer Interview Preparation
Master frontend engineering interviews with JavaScript, React, and web development focused questions.
Key Skills & Technologies
JavaScript/TypeScript
React/Vue/Angular
CSS/HTML
Web APIs
Performance Optimization
Browser Compatibility
Interview Focus Areas
DOM manipulation and event handling
Asynchronous JavaScript (Promises, async/await)
Frontend performance optimization
Component design patterns
State management
Browser APIs and compatibility
Top Frontend Engineer Coding Questions
Practice these 20 most relevant coding problems for frontend engineer interviews.
#1
Recommended
#3594MediumFrequency: 100%
Identify the Largest Outlier in an Array
ArrayHash TableCountingEnumeration
#2
Recommended
#3
Recommended
#3638HardFrequency: 100%
Minimum Operations to Make Character Frequencies Equal
Hash TableStringDynamic ProgrammingCountingEnumeration
#4
Recommended
#3613MediumFrequency: 100%
Maximize Amount After Two Days of Conversions
ArrayStringDepth-First SearchBreadth-First SearchGraph
#5
Recommended
#716HardFrequency: 100%
Max Stack
StackLinked ListDesignDoubly-Linked ListOrdered Set
#6
Recommended
#7
Recommended
#8
Recommended
#9
Recommended
#532MediumFrequency: 100%
K-diff Pairs in an Array
ArrayHash TableTwo PointersBinary SearchSorting
#10
Recommended
#1423MediumFrequency: 100%
Maximum Number of Occurrences of a Substring
Hash TableStringSliding Window
#11
Recommended
#12
Recommended
#1171MediumFrequency: 100%
Shortest Path in Binary Matrix
ArrayBreadth-First SearchMatrix
#13
Recommended
#14
Recommended
#295HardFrequency: 100%
Find Median from Data Stream
Two PointersDesignSortingHeap (Priority Queue)Data Stream
#15
Recommended
#362MediumFrequency: 100%
Design Hit Counter
ArrayBinary SearchDesignQueueData Stream
#16
Recommended
#314MediumFrequency: 97%
Binary Tree Vertical Order Traversal
Hash TableTreeDepth-First SearchBreadth-First SearchSortingBinary Tree
#17
Recommended
#18
Recommended
#658MediumFrequency: 96%
Find K Closest Elements
ArrayTwo PointersSliding WindowBinary SearchSortingHeap (Priority Queue)
#19
Recommended
#20
Recommended
All Interview Questions
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Topics & Algorithms
Practice by specific algorithm and data structure topics
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