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Certificates

Certificate for JavaScript Memory and Garbage Collection

JavaScript Memory and Garbage Collection

Issued 6 October 2026

How to mimic componentDidUpdate using React Hooks? useDidUpdate Custom Hook | React Interview Question | JavaScript

5,726

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

6,852

How to animate multiple progress bars in a sequence? | Uber Frontend Interview Question | React.js | JavaScript | HTML | CSS

11,292

Design a Login Page | Version 1 | React.js | HTML | CSS | JavaScript | Frontend Projects for Beginners

5,274

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

6,611

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

4,170

How to create a timer with progress bar? | Machine Coding Round | React.js | HTML | CSS | JavaScript

6,620

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

3,990

How to create a vertical menu in React.js? | Beginner Frontend Coding Challenge | UI Machine Coding Round | JavaScript

5,314

How to create useSSR hook in React.js? | JavaScript Interview Question | Frontend Problem Solving

5,067

How to create useCopyToClipboard hook in React.js? | JavaScript Interview Question | Frontend Problem Solving | Custom React Hooks

5,284

How to fix and build an Age Validator? | Pair Programming | Frontend Coding Challenge | ReactJS | JavaScript

3,250

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

16,213

Is Fetch API part of JavaScript Engine or JavaScript Runtime?

14,203

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

13,935

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

12,995

Which function is used to serialize an object into a JSON string in Javascript?

12,739

What is the process in which an object or data structure is converted to series of bytes for easy storage or network transfer?

11,772

What will be the output of the following code snippet? JavaScript Min, Max

11,979

What is the use of the <noscript> tag in Javascript?

11,232

How the comparison happens with switch cases in JavaScript?

11,791

Which of the following keywords are used to define a variable in JavaScript?

8,370

What is the paradigm of JavaScript language?

13,756

Create a Progress Bar | Frontend Coding Challenge | DevKode DOM Challenge

9,536

Create a Color Spotter Game | Frontend Coding Challenge | DevKode DOM Challenge | JavaScript | HTML | CSS | ReactJS

6,159

Create a Chess Board | Frontend Coding Challenge | DevKode DOM Challenge | JavaScript | HTML | CSS | React

6,581

Create Pixel Art Grid | Frontend Coding Challenge | DevKode DOM Challenge

6,344

Implement Star Rating Widget | Frontend Coding Challenge | DevKode Challenge

6,965

Design and Implement localStorage API | Frontend Problem Solving | JavaScript Interview Question

6,752