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JavaScript Memory and Garbage Collection
Issued 6 October 2026
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How to check deep equality between JavaScript objects? | Zeta Frontend Interview Question
Easy
7,781
Solve
Implement promiseMerge | Frontend Problem Solving | JavaScript
Medium
5,871
Solve
Implement a function that creates an array of values not included in other array | Lodash Difference | JavaScript Interview Question
Easy
5,817
Solve
Implement a function to convert all object keys to camel case | JavaScript Interview Question
Medium
5,694
Solve
Implement a function to split an array into groups of a certain length | Chunk | JavaScript Interview Question | Lodash Polyfills
Easy
5,529
Solve
Implement a function to generate a range of numbers | Range I | JavaScript Interview Question | Lodash Polyfills
Easy
5,635
Solve
How to implement getElementsByTagName? | Frontend Problem Solving | JavaScript Interview Question
Medium
6,761
Solve
How to implement getElementsByClassName? | Frontend Problem Solving | JavaScript Interview Question
Medium
5,684
Solve
Implement a function that accepts a callback and restricts its invocation to at most N times | Lodash Polyfills | Frontend Problem Solving
Easy
5,004
Solve
Implement a function that accepts a callback and restricts its invocation to at most once | Lodash Polyfills | Frontend Problem Solving
Easy
4,480
Solve
Implement Promise Polyfill | JavaScript Interview Question | Promise Polyfills | Frontend Problem Soving
Hard
9,130
Solve
How to Sort an Array of Objects by Property Values? | Frontend Problem Solving | JavaScript Interview Questions | Lodash Polyfill
Medium
4,803
Solve
How to implement String.prototype.repeat? | String Polyfills | Frontend Problem Solving | JavaScript Interview Question
Easy
3,975
Solve
Implement Tuple Function | LinkedIn Frontend Interview Question | JavaScript Problem Solving
Easy
6,852
Solve
How to implement Deep Filter Functionality? | AWS Frontend Interview Question | JavaScript | Problem Solving | Amazon
Easy
6,611
Solve
Implement cloneDeep from Lodash | Frontend Problem Solving | JavaScript Interview Question
Easy
4,170
Solve
Implement jQuery.css method | Frontend Interview Question | JavaScript
Medium
4,394
Solve
How to set value in an object by path? | Implement Lodash Set Method | JavaScript Interview Question
Medium
4,827
Solve
How to create a utility to invert an object? | Frontend Problem Solving | JavaScript Interview Question
Medium
3,416
Solve
How to implement Array.prototype.sort? JavaScript Interview Question | Problem Solving | JavaScript Polyfills
Medium
7,478
Solve
How to implement Array.prototype.reverse? JavaScript Interview Question | Problem Solving | JavaScript Polyfills
Medium
5,268
Solve
How to implement Array.prototype.fill? JavaScript Interview Question | Problem Solving | JavaScript Polyfills
Medium
4,732
Solve
How to implement Array.prototype.shift? JavaScript Interview Question | Problem Solving | JavaScript Polyfills
Medium
4,085
Solve
How to convert RGB to HEX? JavaScript Interview Question | Frontend Problem Solving
Hard
4,467
Solve
How to create a toggle function in JavaScript? | Frontend Problem Solving | JavaScript Interview Question
Easy
3,990
Solve
Design and Implement localStorage API | Frontend Problem Solving | JavaScript Interview Question
Easy
6,752
Solve
How to implement a Developer Builder Interface? | Frontend Problem Solving | JavaScript Interview Question
Easy
3,487
Solve
Implement a function to read a field inside a nested object | AWS Frontend Interview Question | JavaScript Interview Question
Medium
6,637
Solve
How to create an object without prototype? | JavaScript Interview Question | Beginner
Easy
4,102
Solve
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