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CSS Scan VS Sinon.JS

Compare CSS Scan VS Sinon.JS and see what are their differences

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CSS Scan logo CSS Scan

Instantly check or copy computed CSS from any element for only ~95$

Sinon.JS logo Sinon.JS

Standalone test spies, stubs and mocks for JavaScript.
  • CSS Scan Landing page
    Landing page //
    2023-07-14
  • Sinon.JS Landing page
    Landing page //
    2023-10-09

CSS Scan features and specs

  • Ease of Use
    CSS Scan offers an intuitive and user-friendly interface, making it easy for developers of all skill levels to inspect and copy CSS styles directly from the browser.
  • Time-Saving
    It significantly reduces the time needed to debug and replicate styles by allowing quick copying of well-structured CSS rules from any element on the page.
  • Accuracy
    The tool ensures that the copied CSS maintains the exact styling, including computed styles and vendor prefixes, providing high accuracy in replication.
  • Live Edits
    CSS Scan enables live editing of styles, allowing developers to make real-time changes and see the results instantly, which is beneficial for testing and adjustments.
  • Visual Representation
    The extension visually displays how CSS rules are applied, making it easier to understand complex styling hierarchies and cascades.

Possible disadvantages of CSS Scan

  • Cost
    CSS Scan is a paid tool, so there is a financial investment required, which might not be feasible for all developers, especially those working on personal or non-commercial projects.
  • Browser Compatibility
    As a browser extension, its functionality may be limited to supported browsers, potentially excluding users of less common or unsupported browsers.
  • Limited Scope
    While CSS Scan is powerful for copying and analyzing CSS, it does not offer features for editing or managing CSS files directly, requiring another tool or manual intervention for those tasks.
  • Dependency
    Relying on a third-party tool can be a downside if the tool experiences downtime, changes its pricing, or ceases development, leaving users in a difficult position.
  • Privacy Concerns
    Using browser extensions can raise privacy concerns, as they typically have access to the pages you visit; ensuring the trustworthiness of the extension is crucial.

Sinon.JS features and specs

  • Comprehensive Feature Set
    Sinon.JS offers a wide array of features such as spies, mocks, stubs, and fake timers, which are essential for thorough testing, especially when dealing with asynchronous code and external dependencies.
  • Standalone
    It is framework-agnostic and does not require any other libraries, allowing it to be easily integrated with any test framework or used in standalone projects.
  • Extensive Documentation
    Sinon.JS provides well-written and comprehensive documentation, making it easier for developers to understand and effectively use the library's wide range of features.
  • Community Support
    Sinon.JS has a strong community and is widely adopted, which means that developers can find numerous tutorials, guides, and community discussions to help them solve issues.
  • Easy Integration with Popular Frameworks
    It easily integrates with popular testing frameworks like Mocha, Jasmine, and QUnit, enhancing the testing capabilities of these frameworks.

Possible disadvantages of Sinon.JS

  • Steep Learning Curve
    The complexity and vast feature set of Sinon.JS can be overwhelming for beginners, leading to a steep learning curve.
  • Verbose Syntax
    Sinon.JS can require a lot of boilerplate code to set up mocks and stubs, which can make tests more verbose and harder to read compared to other libraries.
  • Potential for Over-mocking
    Due to its powerful mocking capabilities, there is a risk of over-mocking, which can lead to tests that do not accurately reflect the real application's behavior.
  • Performance Overhead
    Using Sinon.JS can introduce a performance overhead, especially when used extensively in testing environments, as it adds layers of abstraction and complexity.
  • Maintenance and Updates
    Although Sinon.JS is stable, keeping it up-to-date with the latest releases and maintaining tests can be a challenge, particularly when there are breaking changes.

Analysis of CSS Scan

Overall verdict

  • CSS Scan is considered a valuable tool for web developers, particularly for those who frequently work with CSS. Its user-friendly interface and time-saving features make it highly effective for both learning and practical development needs.

Why this product is good

  • CSS Scan is popular among developers because it provides a fast and easy way to inspect and copy CSS styles from any website. It enhances productivity by simplifying the process of understanding and replicating complex styles without manually digging through source code.

Recommended for

  • Front-end developers seeking to understand and replicate existing styles.
  • Web designers aiming to improve their CSS skills through real-world examples.
  • Developers needing to quickly prototype or analyze website designs.
  • Teams looking for an efficient tool to streamline CSS workflows.

CSS Scan videos

+ Add

Chrome CSS Viewer CSS Scan 2.0 - All Your CSS Secrets Revealed

More videos:

  • Review - CSS Scan and Microthemer are buddies

Sinon.JS videos

+ Add

Sinon.js Tutorial - How to Use Sinon.js, the Mocking Library for Testing

More videos:

  • Review - JS.everywhere(2012): Unit Testing Your JS w QUnit and Sinon.JS - Nicholas Silva
  • Review - Stubbing Javascript date objects using Sinon.js - Stream Highlight

Category Popularity

0-100% (relative to CSS Scan and Sinon.JS)

CSS Scan

Sinon.JS

Developer Tools
87 87%
Developer Tools
13% 13
Front End Package Manager
0 0%
Front End Package Manager
100% 100
Design Tools
100 100%
Design Tools
0% 0
CSS Framework
100 100%
CSS Framework
0% 0

User comments

Share your experience with using CSS Scan and Sinon.JS. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Sinon.JS should be more popular than CSS Scan. It has been mentiond 24 times since March 2021. 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.

CSS Scan mentions (13)

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Sinon.JS mentions (24)

  • How to get 100% code coverage? ✅
    Now, we need to figure out how to test in general. To begin with, we will use Mocha, Sinon, and to generate C8 reports:. - Source: dev.to / 3 months ago
  • Best Testing Practices in Node.js
    Libraries like Sinon.JS provide robust support for stubs and spies, enabling precise control and inspection of your code's interactions. By favoring stubs and spies, you can keep your tests concise, easier to understand, and less prone to errors. - Source: dev.to / 7 months ago
  • An Introduction to Unit Testing in Node.js
    Mocha is a simple and flexible JavaScript testing framework for browser and Node.js applications. Unlike other testing frameworks, it takes a minimalist approach and relies on external libraries for key tasks. It uses Sinon for handling spies, stubs, and mocks, and Chai as the assertion engine. Mocha is extensible through many plugins and can integrate with most test runners. - Source: dev.to / 10 months ago
  • Writing an Obsidian Plugin Driven By Tests
    As Obsidian code is not available; we must provide some alternate implementation. If you're familiar with sinon, you might think we can create a stubbed instance like this:. - Source: dev.to / about 1 year ago
  • Unit Testing in Node.js and TypeScript: A Comprehensive Guide with Jest Integration
    If you are using a mocking library, such as sinon, jest-mock, or ts-mockito, make sure that it is compatible with Jest. You may need to install additional packages or configure them in your configuration file. For example, to use sinon with Jest, you can install the sinon-jest package and add the following to your configuration file:. - Source: dev.to / over 1 year ago
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What are some alternatives?

When comparing CSS Scan and Sinon.JS, you can also consider the following products

CSS Scan Pro - The easiest way to get and edit the CSS of any website, live

Chai - Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.

Hoverify - All-in-one browser extension to improve your web dev experience.

EyeJS - A JavaScript testing framework for the real world.

CSS Peeper - Smart CSS viewer tailored for Designers.

Enzyme - Enzyme is a JavaScript testing utility for React.

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