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

Devtools Tech

Team Devtools Tech Official Profile

How to convert RGB to HEX? JavaScript Interview Question | Frontend Problem Solving

4,448

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

3,970

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

10,810

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

5,297

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

5,169

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

5,051

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

4,875

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

5,265

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

4,935

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

5,014

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

3,228

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

11,428

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

4,438

Is Fetch API part of JavaScript Engine or JavaScript Runtime?

9,910

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

9,953

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

8,670

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

8,579

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

7,700

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

7,979

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

7,393

How the comparison happens with switch cases in JavaScript?

7,437

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

5,757

What is the paradigm of JavaScript language?

8,898

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

9,427

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

6,128

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

6,534

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

6,287

Implement Star Rating Widget | Frontend Coding Challenge | DevKode Challenge

6,793

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

6,701

How to implement a Developer Builder Interface? | Frontend Problem Solving | JavaScript Interview Question

3,467