ReactJS Developer Assessment Tests - Recruit The Best ReactJS Developer For Your Organization

What is React.js?
React.js is a JavaScript library that is used for building user interface components, mainly for single-page applications. It effectively manages the view layer of web and mobile applications and allows developers to build reusable UI components. Jordan Walke, a software engineer at Facebook, created React in 2011.  React enables developers to build great web apps that change data without refreshing the page. React is fast, simple, and scalable and works on applications’ user interfaces. 

It is known the world over as one of the most popular JS libraries and is backed by a massive community of developers. That being said, React.js assessment is useful for screening the skills and abilities of React.js developers. Hiring the best talent is essential as the demand for professionals is growing at an unprecedented pace, and businesses can’t afford to miss out on opportunities offered by the digital revolution.

About the React.js Test 

The React.js skill test evaluates applicants’ programming language skills using the React/ReactJS library and their ability to utilize frequently used programming patterns. An ideal pre-employment screening tool, React.js coding test gauges the breadth of candidates’ knowledge in React and their ability to find and fix bugs in programs. A proficient React developer will be able to solve complex problems with the utmost ease. The React.js assessment covers all the concepts of the framework that any professional should be familiar with.

Why should you use Mercer| Mettl’s React.js Assessment?

Hiring managers and recruiters can give a boost to the hiring process by screening out candidates with inadequate skills quite early in the recruitment process. This way, a unique evaluation of candidates’ skills and knowledge by a variety of intriguing questions can work wonders for the recruitment process.

Conducting React JS online assessment should ascertain if the candidate has the appropriate experience in the given field. This test helps employers to find the right candidates in a short time, helps them take unbiased hiring decisions, assists in reducing hassle in mass recruitment, and more. 

Top Customers

Looking for a customised test?

Are you looking for a customised version of this test. Or looking to get a new test build according to your requirements from scratch? Reach out to our subject matter experts and discuss the same.

You can also use our React.js coding test or have it customized according to your job description.

The React.js skills test helps in identifying those candidates who possess:

  • An in-depth understanding of React.js and its principles
  • Thorough knowledge of developing user interface components and implementing through workflows
  • Ability to use the knowledge of  web fundamentals like HTML5, CSS3, and JavaScript 
  • Excellent understanding of interfacing and  server-side scripting knowledge 
  • Well-versed with data structure libraries
Number of Sections 3
Number of Questions 20
Test Duration 60 Minutes
Test Language English


Sectional Details:

Number of MCA/MCQ questions based on Javascript Basics 6
Number of MCA/MCQ questions based on React JS Basics 13
Number of Frontend development tasks that are intended to assess web designing capabilities of the candidate in Javascript. 1


Candidates with work experience of 1-3 years can take the test. 

Difficulty Level: Moderate

Key profiles the test is useful for:

  • Software Developer 1(React JS and Javascript)
  • Junior React JS Javascript Developer
  • React JS & Javascript Application Developer
  • Frontend Developer

Answer to common queries:

Q. Can candidates be benchmarked based on the internal sample set?

A. Yes, at Mettl, it can be done. Should you need any further information, please write to us, and we will be happy to assist you.

Q. Is it possible to customize the report as per the need?

A. Yes, we can do it. We have already done it in the past for our clients. Should you need any further information, please write to us, and we will be happy to find the best solution for you.

Q. What is React.js used for?

A. React, an open-source JavaScript library, has made it easy to build user interfaces, particularly for single-page applications. It also allows developers to make reusable UI components.

Q. Is react JS in demand?

A. Facebook, the social media giant, came up with React. js in the year 2013. This is still one of the most sought after open-source JavaScript frameworks. The main feature of this framework is to create rich, engaging web applications that run entirely with minimal coding.

How it works:

step 1

Add this test to your tests

step 2

Share test link from your tests

step 3

Candidate take the tests

step 4

You get their tests report

Note You will be charged only at step 3. i.e. only when candidate start the test.

Relevant for Industries

  • IT
  • ITeS

Related Tags

Front End Development