QuickJS VS Scanly

• Lightweight
  QuickJS is designed to be lightweight with a small footprint, making it easy to embed in applications and suitable for resource-constrained environments.
• Fast Startup Time
  QuickJS offers very fast startup times, which can be beneficial for applications that require quick script execution without a long initialization period.
• Full ES2020 Support
  QuickJS supports the full ES2020 specification, providing modern JavaScript features and syntax, which is advantageous for developers who want to use the latest JavaScript features.
• Embeddability
  Being easy to integrate into other applications or systems, QuickJS provides a simple C API, which facilitates embedding it in various software and platforms.
• Single File Distribution
  QuickJS can be distributed as a single file, simplifying packaging and distribution without needing external dependencies.
• Memory Efficiency
  Its memory efficient design allows QuickJS to run scripts in environments with limited memory resources, making it suitable for IoT devices and embedded systems.

Possible disadvantages

• Limited Ecosystem
  QuickJS, being a relatively new and niche project, has a smaller ecosystem compared to more established JavaScript engines like V8, which means fewer libraries and community resources are available.
• Performance
  While QuickJS is efficient, it may not deliver the same high-performance execution as more mature engines like V8, especially in applications requiring intensive computational processing.
• Lack of Long-term Support
  QuickJS may not have the same level of long-term support and ongoing development as larger projects maintained by large companies or communities.
• Single-threaded
  QuickJS runs in a single thread, which can be a limitation for applications that require multithreading support for parallel processing.
• Limited Debugging Tools
  Compared to more popular JavaScript engines, QuickJS has fewer debugging tools and integrations, which might make development and troubleshooting more challenging.

• Ease of Use
  Scanly offers a user-friendly interface that is easy to navigate, making it accessible for users of all technical skill levels.
• Comprehensive Scanning
  It provides thorough scanning options that can detect a wide variety of qr codes and barcodes, ensuring versatility in its applications.
• Cloud Integration
  Scanly integrates seamlessly with cloud storage solutions, allowing users to conveniently save and access scanned data from any device.
• High Accuracy
  The app is known for its high accuracy in recognizing and decoding qr and barcodes, which minimizes errors and increases reliability.
• Cross-Platform Availability
  Scanly is available on multiple platforms, such as iOS and Android, making it accessible to a broad audience.

Possible disadvantages

• Subscription Costs
  While Scanly offers basic features for free, advanced features and functionalities require a subscription, which might be a downside for some users.
• Data Privacy Concerns
  There can be concerns regarding data privacy, as scanned information is stored in the cloud, potentially making it susceptible to breaches.
• Internet Dependency
  Certain features, especially those related to cloud integration, rely on an internet connection, which can be a limitation in areas with poor connectivity.
• Limited Customer Support
  Some users have reported that customer support can be slow to respond, which might be frustrating in situations that require immediate assistance.
• Compatibility Issues
  There may be compatibility issues with older devices or operating systems, limiting the app's usability for some users.

QuickJS - IO, axios, redaxios, fetch

Scanly Get Started

• Vim 9.2 Released

  You don't need V8 for running JS for scripting, you have quickjs[1] or mquickjs[2] for example. You might have problems importing npm packages, but as we can see from lua plugins you don't even need support for package managers.... - Source: Hacker News / 8 months ago

• Fabrice Bellard Releases MicroQuickJS

  - QuickJS: https://bellard.org/quickjs/ Legendary. - Source: Hacker News / 9 months ago

• Building a JavaScript Runtime from Scratch using C

  For those who would like a true "from scratch" implementation of JavaScript, Fabrice Bellard's QuickJS [1] is clean, readable and approachable. It's a full implementation of modern JavaScript in a straightforward project, not nearly as... - Source: Hacker News / 12 months ago

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Tracking Scanly since Mar 2021.