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

How to implement a chainable Add function to calculate the sum of numbers?

1691

How to implement Array.isArray? JavaScript Interview Question | Array Polyfills

1703

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

969

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

HTML/CSS/JavaScript

5230

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

HTML/CSS/JavaScript

9793

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

HTML/CSS/JavaScript

3181

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

3075

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

2863

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

3798

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

HTML/CSS/JavaScript

3239

How to build a Like Button? | Frontend Coding Challenge

HTML/CSS/JavaScript

2941

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

4704

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

HTML/CSS/JavaScript

5463

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

3451

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

3233

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

HTML/CSS/JavaScript

3181

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

4809

434

67

Build a Counter App | Frontend Coding Challenge

HTML/CSS/JavaScript

3028

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

3555

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

2972

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

2596

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

3791

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

2426

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

4647

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

HTML/CSS/JavaScript

6800

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

HTML/CSS/JavaScript

3245

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

4098

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

2426

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

HTML/CSS/JavaScript

4387

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

2430

Unsure about your interview prep? Practice Mock Interviews with us!

Book Your Slot Now