QuickJS VS Coblis

• 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.

• User-Friendly Interface
  Coblis features a simple and intuitive interface, making it easy for users to upload images and see how they appear to individuals with different types of color blindness.
• Multiple Simulations
  The simulator provides several types of color blindness simulations, such as protanopia, deuteranopia, and tritanopia, allowing users to comprehensively understand how people with various color vision deficiencies perceive colors.
• No Installation Required
  Coblis is an online tool that doesn't require any software downloads or installations, which makes it accessible from any device with an internet connection.
• Free to Use
  The tool is free, providing access to color blindness simulations without any financial barriers.

Possible disadvantages

• Limited Advanced Features
  Coblis may lack advanced features and customization options that some professional users or developers might need for in-depth analysis or integration purposes.
• Internet Dependence
  Since Coblis is an online tool, its use is dependent on having a stable internet connection, which might be a limitation in areas with poor connectivity.
• Image Quality
  There can be limitations in the quality and accuracy of image rendering, which might not fully replicate how images look to those with color blindness in all situations.

QuickJS - IO, axios, redaxios, fetch

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• Why I built a 6MB JavaScript runtime for embedded and IoT devices

  So I built xuan (玄) — a lightweight JavaScript runtime for IoT and embedded Devices. It's built on QuickJS and forked from Tjs / txiki.js. It's MIT licensed and on GitHub here: https://github.com/topelinux/xuan. - Source: dev.to / 6 days ago

• Fairyfly – A lightweight JavaScript runtime in Zig

  A lightweight, backend-focused JavaScript runtime built with Zig and powered by QuickJS. Designed for fast startup, low memory And a small readable codebase. - Source: dev.to / 6 days ago

• 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

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Tracking Coblis since Mar 2021.