• JavaScript

Interview Questions You Must Ask JavaScript Developers Before Hiring Them

  • February 7, 2023
  • Muhammad Ahmad
  • POSTED ON February 7, 2023
  • POSTED BY Muhammad Ahmad

By virtue of technological innovations, we spectate and experience phenomenal websites and apps emerging these days that are powered by JavaScript. Undoubtedly, JavaScript developers are the masterminds behind these marvels. These engineers can either boost or reduce the brand image and sales that depends upon the functioning of a site or app.

As a matter of fact, the significance of hiring an experienced developer could never be out of the equation for formulating an intelligent business strategy. Keeping that in mind, we have come up with the most prevalent JavaScript interview questions you must ask before hiring a JavaScript developer.

Javascript Interview Questions and Answers 

JavaScript has become one of the core web-programming languages over the span of a few years. It has been driving the leading sites like Google, Facebook, and other such applications based on a network-centric approach. The primary source of its fame has been its quality of making your static sites dynamic and object-oriented. 

To use all attributes of this world’s most renowned programming language, you need to hire an expert. So, are you looking forward to having wonders done to your brand marketing or business development? Then, seek assistance from these javascript interview questions that will smoothen the process of hiring a developer!

What are the 3 most important skills of a developer?

A developer should be a solutionist who must have a keen eye for detail, a knack for learning, team collaboration skills, and an aim to succeed.

What are the KPIs for a developer?

KPIs stands for Key Performance Indicators that help you gauge the conformity between your developmental experiments and objectives with the business’s aims.

Which is faster: Python or JavaScript?

Regardless of being preferred for AI and ML development, Python is still 25 times slower than JavaScript which is extensively preferred for web development.

What are the 3 types of functions in JavaScript?

The answer to this commonly asked javascript coding question is that it has 3 functions including the declaration function, arrow function, and expression function.

What are the 6 JavaScript data types?

This question is highly favored while defining javascript interview questions for experienced developers. And to ace the opportunity every experienced candidate must know that there are 6 types of Javascript data including numerical, Booleans, symbols, strings, arrays, objects, and functions.

What JavaScript developers should know?

While considering the most frequently asked javascript coding questions and their answers, one must not neglect this. The reason is that a developer must know about the following important things in Javascript. u003cbru003eHTMLu003cbru003eCSSu003cbru003eBest JavaScript frameworksu003cbru003eWPO proceduresu003cbru003eJavascript libraries u003cbru003eProblem-solving algorithmsu003cbru003eAPIs of DOMu003cbru003eUI/UX

How long does it take to learn JavaScript?

It almost takes around a minimum of 2 months and a maximum of 9 months to learn Javascript. However, to keep pace with emerging technologies, a developer must keep learning.

What are the key strengths of JavaScript?

Versatility, popularity, object orientation, easy implementation, and client-side, as well as server-side scripting, are the key strengths of Javascript.

What is the first thing to learn in Javascript?

To outscore in the game of JS development, the first thing to learn in Javascript is HTML and CSS.u003cbru003e

Final Words!

Most developers these days claim to be Javascript experts, however, you need to pick out only the best from the pool. To make recruitment smart and systematic we have enlisted in this article the most common javascript interview questions and their answers that you can expect to get from experts. 


Muhammad Ahmad

Currently serving as the SEO Manager at vteams, Ahmed is a highly skilled individual with several years of experience of Digital Marketing.

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