Frontend Interview Questions For 5 Years Of Experience

Overview

This document presents a compilation of frontend interview questions tailored for candidates possessing around five years of experience. The questions span across various essential frontend technologies and concepts, aiming to evaluate the depth and breadth of the candidate's knowledge.

Interview Rounds

The interview process typically involves questions from the following categories:

HTML Interview Questions

• What is the use of the aria-hidden attribute?
• What are some important points related to accessibility?
• Which screen reader is used for which browser for accessibility testing?
• What are web workers?
• Which HTML elements were used before HTML5 for embedding video into a website?
• What is an image map?
• What does semantic HTML mean?
• What are the new features of HTML5?
• Explain the use of meta tags in HTML.
• What are view state and session state?
• What should be preferred for storing tokens: localStorage, sessionStorage, or cookies, and why?

CSS Interview Questions

• How to create a half circle using CSS?
• How to create a triangle using CSS?
• How to create a carousel using CSS?
• What are the benefits of using CSS preprocessors?
• How can you implement responsive images?

JavaScript Interview Questions

• What are the design patterns in JavaScript?
• What is the event loop in JavaScript?
• How to deep clone in JavaScript?
• How to flatten an array in JavaScript?
• What is debounce in JavaScript?
• Write a code to flatten the contents of an object.
• How to create a virtual DOM in JavaScript?
• What is the critical rendering path?
• What is the freeze method in JavaScript?
• What are the SOLID principles in JavaScript?
• What is the seal method in JavaScript?
• What is the difference between Angular and React?
• How to watch variable changes in JavaScript?
• How to create a change detection mechanism for a JavaScript framework?
• What is functional programming in JavaScript?
• What is quick sort, and what is its time complexity?
• Explain bubble sort and insertion sort with examples.