React Online Test

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About the test

The React online test assesses knowledge of building web user interfaces with the React/ReactJS library through a series of live coding questions.

The assessment includes work-sample tasks such as:

  • Creating reusable Components.
  • Working with Hooks to access state and other React features.
  • Handling user events and updating the application based on user actions.

A good React/ReactJS developer should be able to work with the library effectively to create maintainable and accessible web user interfaces.

Sample public questions

Easy
7 min
code
Public
React
Effect Hook
React Hooks
Reference Hook

Finish the FocusableInput component so that the input element automatically receives focus on the first render if the shouldFocus prop is true.

The component should use React Hooks.

Easy
10 min
code
Public
React
Conditional Rendering
Event Handling
Managing State

The Message component contains an anchor element and a paragraph below the anchor. Rendering of the paragraph should be toggled by clicking on the anchor element using the following logic:

  • At the start, the paragraph should not be rendered.
  • After a click, the paragraph should be rendered.
  • After another click, the paragraph should not be rendered.

Finish the Message component by implementing this logic.

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23 more premium React questions

Toggle Options Visibility, Cards Widget, Error Catcher, Product Rating, Click Button, Email Input, List Wrapper, Subscription, Login Form, Product Search, Async Paragraph, Shopping List, Pet Form, Tooltip Component, Simple Calculator, Tab Strip, Theme Context Switcher, Player Status, Reorder, Contact Form, Email Form, Post Comment, Details.

Skills and topics tested

  • React
  • Data Binding
  • Components
  • Managing State
  • React Hooks
  • Error Boundaries
  • Event Handling
  • Higher Order Components
  • Conditional Rendering
  • State Hook
  • Hooks
  • Effect Hook
  • Asynchronous Calls
  • Forms
  • Portals
  • Reducer Hook
  • Context
  • Content Manipulation

For job roles

  • JavaScript Developer
  • React Developer
  • Web Front-End Developer

Sample candidate report

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Simple, straight-forward technical testing

TestDome is simple, provides a reasonable (though not extensive) battery of tests to choose from, and doesn't take the candidate an inordinate amount of time. It also simulates working pressure with the time limits.

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Product reviews

G2 - Crowd Badge
G2 - High Performer (2022)
Capterra - 4.5 Stars
Capterra - Shortlist (2022)

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