QuickJS VS Blair

• 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.

No features have been listed yet.

QuickJS - IO, axios, redaxios, fetch

Blair Witch Review

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• Fabrice Bellard Releases MicroQuickJS

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• 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 Blair since Mar 2021.