How to Crack Frontend Web developer interview

by Umesh Singh Software Engineer
Front-end web development, also regarded as client-side development is the exercise of producingC SS,HTML, Ajax, JavaScript,and JQuery for a Web Application so that a user can see and have interaction with them directly. A character enters into the area of front-end development by way of getting to know to advance HTML, CSS, and JavaScript which typically runs in a net browser but can also run in a headless browser, Web View, or as compilation input for a native run time environment.

Skillset Expected from a UI Developer

  • HTML
  • JavaScript
  • JQuery
  • Ajax
  • CSS etc


HTML and CSSare like the bread and butter of front-end development. During interviews, you will most in all likelihood be asked questions about the nuances of HTML and CSS. Also, be prepared to be requested to code up a design primarily based on a mockup. If you are looking for HTML5 Interview Questions and Answers OR CSS3 Interview Questions and Answers then you can visit the above links.


HTML and CSS are the bread and butter of UI development, then Javascript is the knife. Companies will spend an accurate amount of time all through your interview checking out your information of Javascript. A lot of the questions will revolve around the following concepts.

Important topics in JavaScript

  • Callbacks and promises
  • Scoping
  • Closures
  • The event loop
  • Event bubbling
  • Apply, call, and bind
  • Prototypal inheritance
  • Variable and function hoisting
  • Currying

We have a collection of JavaScript Interview Questions and Answers. It will help you to crack your future interviews.


It is a set of website development techniques using many technologies on the browser-side to create asynchronous applications.With Ajax, internet applications can send and retrieve records from a server asynchronously without interfering with the show and behavior of the present page.

“UI Developer OR Front-end Developer stands for User Interface Design, a technology-focused position that seeks to create a digital software program that entices the consumer into a seamless interplay between humans and computers. This career direction seeks to enhance the consumer journey by means of making a net web page or software interactions simple, fun, handy and effective.”

Top 10 front-end developer interview questions

  1. Explain what is front end optimization?
  2. Explain how can you improve front end performance?
  3. What is the purpose of the HTML DOCTYPE? Explain
  4. Explain the difference between internal and external Javascript?
  5. What do you mean by Coffee Script and why it is used?
  6. What is class and how to use class in Javascript?
  7. Explain the difference between null and undefined?
  8. What do you mean by callback function?
  9. What do you mean by Ajax?
  10. What do you mean by Anonymous Function?

Our massive collection of UI Developer interview questions and answers will definitely help you find a great job. Here is the list of the most popular 10 interview questions.

About Umesh Singh Advanced Pro  Software Engineer

0 connections, 0 recommendations, 124 honor points.
Joined APSense since, October 16th, 2019, From Faridabad, India.

Created on 2 days 13 hours ago. Viewed 42 times.


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