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

Explore premium tutorials by devtools.tech

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

4,093

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

4,395

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

4,035

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

4,152

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

2,617

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

8,174

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

5,139

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

3,614

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

4,610

Is Fetch API part of JavaScript Engine or JavaScript Runtime?

6,688

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

6,902

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

5,534

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

5,438

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

4,809

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

5,061

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

4,556

How the comparison happens with switch cases in JavaScript?

4,671

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

3,597

What is the paradigm of JavaScript language?

5,853

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

4,060

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

5,041

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

8,028

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

5,473

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

5,747

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

5,440

Implement Star Rating Widget | Frontend Coding Challenge | DevKode Challenge

5,405

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

4,188

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

3,307

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

4,829

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

3,776