Software Alternatives, Accelerators & Startups
Register | Login

Jest VS 30 seconds of code

Compare Jest VS 30 seconds of code and see what are their differences

Flagsmith
Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source. featured
This page does not exist
Contents:
  1. » Base Details
  2. » Videos
  3. » Reviews
  4. » Alternatives

Jest logo Jest

Jest is a delightful JavaScript Testing Framework with a focus on simplicity.

30 seconds of code logo 30 seconds of code

JS snippets that you can understand in 30 seconds or less.
  • Jest Landing page
    Landing page //
    2023-09-10
  • 30 seconds of code Landing page
    Landing page //
    2023-09-23

Jest features and specs

  • Easy Setup
    Jest provides an out-of-the-box configuration which makes it easy to set up and start testing quickly without needing extensive configuration.
  • Snapshot Testing
    Jest supports snapshot testing, allowing developers to capture the state of UI components, making regression testing easier.
  • Mocking Capabilities
    Jest offers powerful mocking capabilities for functions, modules, and timers, enabling isolated and independent unit tests.
  • Parallel Test Execution
    Jest runs tests in parallel, utilizing multiple workers to speed up test execution and improve performance.
  • Comprehensive Documentation
    Jest has thorough and well-maintained documentation which helps developers easily understand and utilize its features.
  • Watch Mode
    Jest has a watch mode feature that automatically re-runs tests when files are updated, improving development workflow.
  • Built-in Code Coverage
    Jest provides built-in code coverage reports, giving developers insights into which parts of their code are covered by tests.

Possible disadvantages of Jest

  • Performance Overhead
    Jest's parallel test execution can sometimes introduce performance overhead, especially in large projects with many workers firing at once.
  • Test Initialization
    Tests can take longer to initialize due to the need for Jest to transform code from modern JavaScript syntax down to older syntax versions.
  • Limited Browser Testing
    Jest is primarily designed for testing Node.js applications and may require additional configuration or tools for full-featured browser testing.
  • Learning Curve
    For developers unfamiliar with JavaScript testing frameworks, understanding Jest's extensive feature set and configuration options can be challenging.
  • Specific to JavaScript
    Jest is specifically designed for JavaScript and may not be suitable for projects that involve multiple programming languages.

30 seconds of code features and specs

  • Concise Snippets
    30 seconds of code offers short, well-commented snippets that provide quick solutions to common programming challenges, making it easy for developers to implement without extensive modification.
  • Educational Resource
    The snippets serve as a great educational tool for learning new coding techniques and JavaScript features, helping developers enhance their skills incrementally.
  • Community-Driven
    The repository is maintained by a community of developers, ensuring that the code is peer-reviewed and can be continuously improved through collective contributions.
  • Broad Coverage
    The repository covers a wide range of categories including arrays, objects, functions, and more, providing snippets for various common use cases in JavaScript development.
  • Readily Accessible
    Because the code is available on GitHub, it is easily accessible to anyone with an internet connection, promoting widespread usage and collaboration.

Possible disadvantages of 30 seconds of code

  • Not Always Best Practice
    Some snippets prioritize brevity over best practice, which may lead to less efficient or less readable code in real-world applications.
  • Lack of Context
    The snippets are often given without extensive context or surrounding code, which can make it challenging for beginners to understand how to integrate them into larger projects.
  • Limited Explanation
    Brief descriptions and comments may not suffice for someone who needs a deeper understanding of why the code works the way it does.
  • Outdated Code
    As JavaScript continues to evolve, some snippets might become outdated or less optimal compared to modern alternatives.
  • Over-Simplification
    While aimed at being quick solutions, some snippets might oversimplify complex problems, potentially leading developers to underestimate the underlying complexity.

Analysis of Jest

Overall verdict

  • Jest is considered a good choice for modern JavaScript development, particularly for projects involving React, due to its robustness, ease of use, and active community support. Its ability to run tests in parallel and produce detailed diagnostics contributes significantly to improving testing efficiency.

Why this product is good

  • Jest is a popular testing framework for JavaScript that provides a simple and highly effective environment for unit testing, especially for applications built with React. It comes with an extensive set of features including a zero configuration setup, a powerful mocking library, and coverage reports, all without needing additional tools. Jest's ease of use and speed make it a preferred choice for developers looking for seamless integration in their development process.

Recommended for

  • Developers working with React and looking for easy integration with minimal configuration.
  • Teams that require a fast and reliable testing tool with excellent community support and active development.
  • Projects that demand comprehensive testing capabilities including unit tests, integration tests, and snapshot testing.

Analysis of 30 seconds of code

Overall verdict

  • 30 seconds of code can be considered a good resource due to its concise and clear presentation of useful code snippets. It helps developers learn and apply new concepts efficiently, making it a solid tool for learning and quick reference.

Why this product is good

  • 30 seconds of code is a collection of JavaScript snippets that are designed to be easily digestible and practical. It serves as a valuable resource for both beginners and experienced developers, offering a quick way to understand and implement common coding patterns and solutions. The snippets are well-documented and typically focus on performance, best practices, and simplicity.

Recommended for

  • Beginner developers looking to learn JavaScript concepts through examples.
  • Experienced developers seeking quick reference material.
  • Developers who value performance-oriented and well-documented code snippets.
  • Anyone looking for inspiration or quick solutions to common JavaScript problems.

Jest videos

+ Add

60 Second Book Review: “Infinite Jest” by David Foster Wallace

More videos:

  • Review - How I Get Through Tough Books - Infinite Jest and Proust
  • Review - David Foster Wallace interview on "Infinite Jest" with Leonard Lopate (03/1996)

30 seconds of code videos

+ Add

30 Seconds Of Code - Check This Curated Collection Of Useful JavaScript Snippets

Category Popularity

0-100% (relative to Jest and 30 seconds of code)

Jest

30 seconds of code

Developer Tools
55 55%
Developer Tools
45% 45
Automated Testing
100 100%
Automated Testing
0% 0
Productivity
0 0%
Productivity
100% 100
JavaScript Framework
100 100%
JavaScript Framework
0% 0

User comments

Share your experience with using Jest and 30 seconds of code. For example, how are they different and which one is better?
Log in or Post with

Social recommendations and mentions

Based on our record, Jest seems to be a lot more popular than 30 seconds of code. While we know about 75 links to Jest, we've tracked only 6 mentions of 30 seconds of code. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Jest mentions (75)

  • Mastering Webhook & Event Testing: A Guide
    Popular frameworks like Jest, Mocha, or JUnit provide everything you need for effective webhook unit testing, with mocking capabilities that let you simulate external dependencies. - Source: dev.to / about 1 month ago
  • Most Effective Approaches for Debugging Applications
    Proactive testing is critical for catching bugs before they reach production. Comprehensive test suites—covering unit, integration, and UI scenarios—detect issues early in the Software Development Lifecycle (SDLC). Roman Surikov, Founder of Ronas IT, advises, “Ensure that [automated testing] covers various scenarios including unit, integration, and user interface testing to catch bugs early.” A 2024 Sauce Labs... - Source: dev.to / about 1 month ago
  • Between Diapers and Development – How My Blog Came to Life with Eleventy
    To maximize learning, I could choose something new. Normally, I consider that a valid reason. But given my limited time, that wasn't a priority for me. Another criterion could be long-term viability: Is there a large core team and an active community? Well, who still remembers AngularJS? From Google? And didn’t Facebook/Meta start Jest? I wouldn’t rely too much on that. - Source: dev.to / 2 months ago
  • Migrating from AngularJS to React
    Additionally, I wrote Jest and Enzyme unit tests to demonstrate how to go about unit testing the components, as test driven development (TDD) is another methodology my organization subscribes to. Jest is a unit testing framework that actually shipped with React if you use the Create React App CLI to make a new React project. And at the time, Enzyme was created by Airbnb and added additional functionality to Jest... - Source: dev.to / 2 months ago
  • Top React Testing Libraries in 2025
    Jest is a comprehensive testing framework developed by Facebook and is the default choice for testing React applications. It includes built-in capabilities for mocking, spying, and snapshot testing, ensuring minimal setup for testing even the most complex applications. Jest’s extensive support for parallel test execution and interactive features like coverage reporting and watch mode makes it highly efficient. - Source: dev.to / 2 months ago
View more

30 seconds of code mentions (6)

  • What are the best open source repos in github that a beginner should READ?
    You could also check out: 1. 30 seconds of code 2. JavaScript30 3. JavaScript Algorithms. Source: about 2 years ago
  • Awesome Github Repos to Master JAVASCRIPT
    😎 a quick reference with short solutions for your development needs in javascript -> 30-seconds-of-code. - Source: dev.to / over 2 years ago
  • This is my first blog!
    Hello everyone, my name is Thanh Cong Van, my friends usually call me Steven as my Vietnamese name is hard to pronounce. I am living in Toronto, due to the pandemic, I believe that some of my peers are living in different place right now. I am currently taking Computer Programming and Analysis at Seneca, all I want from my program is to have good skills on front-end development. People tend to love full stack... - Source: dev.to / over 3 years ago
  • Open Source Development -W1
    The GitHub repo, I have interest in is "30 seconds of code" [https://github.com/30-seconds/30-seconds-of-code]. It is a website which provides short JavaScript code snippets for users. I find it very helpful for me when I work on my project later on. - Source: dev.to / over 3 years ago
  • Hello Word!
    For my forked repo, I picked the 30-seconds-of-code (https://github.com/30-seconds/30-seconds-of-code). It’s a repo with short snippets of JavaScript code to help people coding in JavaScript. Very useful for people like me that are always learning something and trying different things. - Source: dev.to / almost 4 years ago
View more

What are some alternatives?

When comparing Jest and 30 seconds of code, you can also consider the following products

react-testing-library - [`React Testing Library`][gh] builds on top of `DOM Testing Library` by adding

CodeMyUI - Handpicked code snippets you can use in your web projects

Mochajs - Mocha is a JavaScript test framework running on Node.js and the browser, making asynchronous testing simple.

Codespace - A beautiful cross-platform code snippet manager

Vitest - A blazing fast unit test framework powered by Vite

DhiWise - DhiWise is a ProCode platform that helps you build clean, scalable, and customizable native and cross-platform apps. Focus on what matters as a programmer and let DhiWise do the rest.

Loading...