devtools.tech | The only way to prepare for frontend interviews

Devtools Tech

Team Devtools Tech Official Profile

How to build a Like Button? | Frontend Coding Challenge

5,341

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

7,708

Build a FAQ page | Frontend Coding Challenge | React.js | HTML | CSS | JavaScript

7,652

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

5,799

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

5,493

Build a Simple Price Calculator | Frontend Coding Challenge | Razorpay Interview Question

5,600

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

10,206

Build a Counter App | Frontend Coding Challenge

4,961

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

5,618

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

4,986

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

4,464

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

5,704

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

3,958

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

6,825

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

11,138

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

5,260

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

6,531

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

4,148

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

6,580

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

3,970

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

5,298

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

5,052

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

5,266

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

3,229

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

11,481

Is Fetch API part of JavaScript Engine or JavaScript Runtime?

9,979

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

10,012

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

8,742

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

8,644

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

7,762