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

Devtools Tech

Team Devtools Tech Official Profile

How to implement Array.prototype.filter? JavaScript Interview Question | Array Polyfills

5,925

How to build an Interactive JIRA Velocity Bar Chart? Atlassian Browser Coding Round Interview Question

13,447

How to create an grid lights interactive shape? Uber Frontend Interview Question | JavaScript | React.js

25,488

How to create a loading animation? | Frontend Coding Challenge | React.js | JavaScript

6,390

How to find the most frequent word in a paragraph? Frontend Problem Solving | JavaScript

5,591

Implement a function that returns the number of parameters expected by a function in JavaScript

5,138

How to implement pipe utility? | Razorpay Interview Question | JavaScript

6,552

How to build a moving dot animation? | Frontend Coding Challenge

5,635

How to build a Like Button? | Frontend Coding Challenge

5,354

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

7,741

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

7,664

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

5,810

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

5,503

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

5,614

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

10,995

Build a Counter App | Frontend Coding Challenge

4,975

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

5,623

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

4,993

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

4,471

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

5,716

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

3,968

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

6,834

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

11,212

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

5,268

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

6,559

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

4,157

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

6,597

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

3,983

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

5,306

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

5,059