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Certificates

Certificate for JavaScript Memory and Garbage Collection

JavaScript Memory and Garbage Collection

Issued 6 October 2026

How to check deep equality between JavaScript objects? | Zeta Frontend Interview Question

7,778

Implement promiseMerge | Frontend Problem Solving | JavaScript

5,871

Implement a function that creates an array of values not included in other array | Lodash Difference | JavaScript Interview Question

5,817

Implement a function to convert all object keys to camel case | JavaScript Interview Question

5,688

Implement a function to split an array into groups of a certain length | Chunk | JavaScript Interview Question | Lodash Polyfills

5,523

What is the output of the following code snippet? | JavaScript Fundamentals | Frontend Interview Question

13,183

Implement a function to generate a range of numbers | Range I | JavaScript Interview Question | Lodash Polyfills

5,635

How to implement getElementsByTagName? | Frontend Problem Solving | JavaScript Interview Question

6,760

How to implement getElementsByClassName? | Frontend Problem Solving | JavaScript Interview Question

5,675

Implement a function that accepts a callback and restricts its invocation to at most N times | Lodash Polyfills | Frontend Problem Solving

5,004

Implement a function that accepts a callback and restricts its invocation to at most once | Lodash Polyfills | Frontend Problem Solving

4,480

Implement Promise Polyfill | JavaScript Interview Question | Promise Polyfills | Frontend Problem Soving

9,116

How to Sort an Array of Objects by Property Values? | Frontend Problem Solving | JavaScript Interview Questions | Lodash Polyfill

4,803

How to implement String.prototype.repeat? | String Polyfills | Frontend Problem Solving | JavaScript Interview Question

3,975

Implement Tuple Function | LinkedIn Frontend Interview Question | JavaScript Problem Solving

6,848

How to implement Deep Filter Functionality? | AWS Frontend Interview Question | JavaScript | Problem Solving | Amazon

6,607

Implement cloneDeep from Lodash | Frontend Problem Solving | JavaScript Interview Question

4,170

Implement jQuery.css method | Frontend Interview Question | JavaScript

4,394

How to set value in an object by path? | Implement Lodash Set Method | JavaScript Interview Question

4,823

How to create a utility to invert an object? | Frontend Problem Solving | JavaScript Interview Question

3,416

How to implement Array.prototype.sort? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

7,478

How to implement Array.prototype.reverse? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

5,268

How to implement Array.prototype.fill? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,730

How to implement Array.prototype.shift? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,085

How to convert RGB to HEX? JavaScript Interview Question | Frontend Problem Solving

4,465

How to create a toggle function in JavaScript? | Frontend Problem Solving | JavaScript Interview Question

3,987

Can you identify the behaviour of following code snippet? | JavaScript Output Questions | Problem Solving | JavaScript Copy

15,935

Is Fetch API part of JavaScript Engine or JavaScript Runtime?

13,905

What would be the output of the following code? (Based on Spread Operator)

13,666

What would be the output of the following code? (Based on Array Slice)

12,724