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

Ultimate Guide to Crack Frontend System Design Interviews

How to create OTP Input Component? | Frontend Coding Challege | JavaScript | HTML | CSS | React.js

8,360

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

4,763

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

4,641

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

4,490

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

4,372

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

4,694

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

4,336

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

4,439

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

2,862

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

8,782

Build a Text to Audio Animated Mini Project | Frontend Coding Challenge | JavaScript | CSS | Web Animations

5,496

Build A Simple Cryptocurrency Portfolio Manager App | Frontend Coding Challenge | JavaScript Interview Question | React.js | HTML

3,914

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

4,889

Is Fetch API part of JavaScript Engine or JavaScript Runtime?

7,315

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

7,521

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

6,160

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

6,065

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

5,431

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

5,623

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

5,139

How the comparison happens with switch cases in JavaScript?

5,271

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

4,063

What is the paradigm of JavaScript language?

6,449

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

4,397

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

5,434

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

8,553

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

5,729

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

6,030

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

5,769

Implement Star Rating Widget | Frontend Coding Challenge | DevKode Challenge

5,900