JavaScript interviews are tough to crack as it judges a candidate on the parameter of technical and communication skills. JavaScript is a scripting language from both the sides of clients as well as server, which is understood by the web browsers. Spending a little time in preparing yourself for the interview is the smart technique to make it to the next round. An interview is a place where you have to sell yourself and make the interviewer feel that how are you different from other candidates. Answer your question with confidence, prepare well, fill yourself with positivity and groomed well to get yourself notice during the interview hours.

Step1. Prepare Your Basics Well

Learn the basics of JavaScript as they are just like the foundation of a building that must be laid very strong. In JavaScript, you must get familiar with the basics of these terminologies before visiting an interview.

Web 2.0

CSS authoring framework like sass

Functions of JavaScript

MVVM frameworks

Learn about the basics to at least initiate the two-way conversation on the topic.

Most of the interviewers start with the basics and then go on to the next level to check how much you have mastered on these skills. After the basics, you can:

Practice some example projects on the topic

Learn to understand every step of your code

Work on the basics questions of JavaScript.

Step2. Practice Advance Interview Questions:

Put yourself in the shoe of a JavaScript coder if you want to clear an interview.

Experienced candidates are generally asked advance questions of JavaScript in their interview. Practice the advanced topics and prepare yourself for any surprise questions from these topics:

Hoisting in JavaScript

Prototype

Difference between Call, Apply and Bind.

javac

JVM

Platform

Difference between JDK, JRE, and JVM.

Immutable Objects

Data Encapsulation

Infinity loop

Access specifiers for Java classes

Constructor

Wrapper classes

Start reading JavaScript books to increase your interest in the subject and making it a career.

The concept of closures is the heart of the JavaScript design pattern, and most of the questions are based on this topic. Follow these books to master in JavaScript :

Eloquent JavaScript: A modern introduction to programming – Marijn Haverbeke

JavaScript: The Good Parts – Douglas Crockford

Effective JavaScript: 68 specific ways to harness the power of a JavaScript- David Herman

High-Performance Browser Networking – Ilya Grigorik

Step3 Practice online:

Solve the tricky questions of JavaScript online from different websites.

Learn the fundamentals of JavaScript to code well. Practice these questions related to the theoretical concept of JavaScript.

What is the most Important feature of java?

What is JVM?

What is the platform?

Explain Immutable Objects.

Search for JavaScript apps on the play store and learn your best from it.

Many programmers have designed free and paid apps to help others who are seeking help in JavaScript. These apps have very good information content and some of them even share the JavaScript interview questions. They have even added a feature to learn offline and check the codes. Follow these techniques to crack the interview:

Be yourself during the interview and try to be calm.

Relax and focus on the interview and enjoy the rhythm of the flow.

Develop your skill as a JavaScript developer.

Learn JavaScript offline through apps and tutorials.

Step4. Share Your Work Samples Online:

Save your work samples on the online platform from where you can share with any person from your network.

These samples can be shared via a web link which can be accessed from any devices. These platforms help to share your work:

GitHub

Stack Overflow

JSBin.com

Snipplr

Elance

Javascript is one of the most Programming Language on the web when it comes to developing dynamic websites and web applications. Developers prefer it due to its speed and platform independence. Cracking Javascript Interview Questions is image.onload not firing twice in IE7 a cakewalk. So, the above basics and features have been curated keeping in mind the aspirants who are planning to ace the interview and win over their opponents. Hope you would keep your answers brief, crisp, and up to the mark while discussing with the interview panelists