AI-powered Front-end Developer mock interviews

Your personal Front-end Developer job interview coach to help you prepare for your next interview.

Enter your email address
Start mock interview

Practice mock interview questions

🧐 Question

Medium

CSS Specificity
Explain the concept of CSS specificity and how it affects the styling of elements on a webpage.

Medium

Display Properties in CSS
Describe the difference between inline, block, and inline-block display properties in CSS and provide examples of when each would be most appropriate to use.

Medium

Closures in JavaScript
Explain the concept of closures in JavaScript and provide an example of how you have utilized closures in your previous projects.

Medium

let vs const vs var
Discuss the differences between 'let', 'const', and 'var' in JavaScript in terms of scope, hoisting, and reassignment. Provide a scenario where you would choose one over the other.

Medium

Server-side Rendering in Angular
How would you implement server-side rendering in Angular for better SEO performance and initial load speed?

Medium

Virtual DOM in React
Can you explain the concept of virtual DOM and how it is utilized in React to optimize rendering performance?

Medium

Critical Rendering Path Optimization
Can you explain the concept of Critical Rendering Path and how optimizing it can improve web performance?

Medium

Time to First Byte Optimization
How would you approach reducing the Time to First Byte (TTFB) of a web application and what tools or techniques would you use to measure the impact of your optimizations?

Medium

API Architecture Comparison
Can you explain the difference between REST and SOAP APIs, and in what scenarios would you choose one over the other?

Medium

Authentication & Authorization Strategy
How would you handle authentication and authorization in a Web API integration, considering factors like security, scalability, and ease of implementation?

Medium

Communicating Complexity
Describe a situation where you had to communicate a complex idea to a non-technical stakeholder. How did you ensure effective communication and understanding? What strategies did you use to overcome any potential misunderstandings?

Medium

Team Dynamic Challenge
Can you provide an example of a time when you had to navigate a challenging team dynamic to successfully deliver a project? How did you approach the situation and what was the outcome?
🧐 Question🔧 Skill

Medium

CSS Specificity

2 mins

HTML/CSS

Medium

Display Properties in CSS

2 mins

HTML/CSS

Medium

Closures in JavaScript

2 mins

JavaScript

Medium

let vs const vs var

2 mins

JavaScript

Medium

Server-side Rendering in Angular

2 mins

React/Angular/Vue

Medium

Virtual DOM in React

2 mins

React/Angular/Vue

Medium

Critical Rendering Path Optimization

2 mins

Web Performance Optimization

Medium

Time to First Byte Optimization

2 mins

Web Performance Optimization

Medium

API Architecture Comparison

2 mins

Web API integration

Medium

Authentication & Authorization Strategy

2 mins

Web API integration

Medium

Communicating Complexity

2 mins

Soft Skills

Medium

Team Dynamic Challenge

2 mins

Soft Skills
🧐 Question🔧 Skill💪 Difficulty⌛ Time
CSS Specificity
HTML/CSS
Medium2 mins
Display Properties in CSS
HTML/CSS
Medium2 mins
Closures in JavaScript
JavaScript
Medium2 mins
let vs const vs var
JavaScript
Medium2 mins
Server-side Rendering in Angular
React/Angular/Vue
Medium2 mins
Virtual DOM in React
React/Angular/Vue
Medium2 mins
Critical Rendering Path Optimization
Web Performance Optimization
Medium2 mins
Time to First Byte Optimization
Web Performance Optimization
Medium2 mins
API Architecture Comparison
Web API integration
Medium2 mins
Authentication & Authorization Strategy
Web API integration
Medium2 mins
Communicating Complexity
Soft Skills
Medium2 mins
Team Dynamic Challenge
Soft Skills
Medium2 mins

Sample scorecard

View sample scorecard

Created by Adaface, trusted by enterprises globally

Amazon Morgan Stanley Vodafone United Nations HCL PayPal Bosch WeWork Optimum Solutions Deloitte Microsoft NCS Doubtnut Sokrati J&T Express Capegemini

Detailed insights to help you land your next job

Automatic grading with AI

Your responses are automatically graded once you complete the test.

Interview analysis with AI

Question-wide and category-wide analysis to help you understand your strength and weaknesses.

How it works

Give a Front-end Developer mock interview and get a detailed scorecard. All for FREE.

Practice with key Front-end Developer skills.

Go through the mock interview.

Get a detailed report with actionable insights.

logo
40 min tests.
No trick questions.
Accurate shortlisting.