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JavaScript Memory and Garbage Collection
Issued 6 October 2026
Questions
Resources
Resume
Submissions
Video Tutorials
Implement a Feature Toggle System
Medium
3
Solve
Pattern Matching in a String
Easy
25
Solve
Implement mapAsyncLimit
Medium
17
Solve
Implement Video Ranking
Easy
94
Solve
Prettify JSON String
Easy
85
Solve
Versioned Configuration Store
Medium
87
Solve
Group Products by Category
Easy
112
Solve
Dynamic Currying Sum
Easy
171
Solve
Autocomplete Search Cache (LRU)
Easy
154
Solve
Delete Nested Object Property
Medium
156
Solve
Chainable Currency Calculator
Easy
112
Solve
Async Fetcher with Error Handling
Easy
157
Solve
Count Pair Sums with Updates
Medium
109
Solve
Number to Words Converter
Hard
78
Solve
Time Since Last Train
Easy
190
Solve
Count Special Numbers
Easy
168
Solve
Flatten Nested Object - II
Easy
275
Solve
Priority Based Data Fetching
Medium
338
Solve
Exclude Items
Medium
136
Solve
Find Employee
Easy
338
Solve
Resolve Function Values in a Nested Object
Medium
216
Solve
Repeat Characters
Easy
197
Solve
Chainable Driver Class
Medium
347
Solve
Identical DOM Trees
Medium
224
Solve
Transaction Confirmation
Medium
187
Solve
How to implement custom Array.prototype.some method?
Easy
605
Solve
How to implement custom Array.prototype.forEach method?
Easy
548
Solve
Promise Scheduler
Hard
1,358
Solve
ComposeAsync
Medium
1,134
Solve
Domain Operation Simulator
Easy
1,751
Solve
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