# Embedded JavaScript

> templating language that allows HTML to be instrumented with simple JavaScript

**Wikidata**: [Q131298877](https://www.wikidata.org/wiki/Q131298877)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Embedded_JavaScript)  
**Source**: https://4ort.xyz/entity/embedded-javascript

## Summary
Embedded JavaScript (EJS) is a templating language designed to instrument HTML with simple JavaScript logic. It functions as a software component that bridges standard markup with executable script code. The technology is distributed under the Apache Software License 2.0.

## Key Facts
- **Classification:** Software class described as a "non-tangible executable component."
- **Primary Function:** Serves as a templating language that allows HTML to be instrumented with simple JavaScript.
- **License:** Distributed under the Apache Software License 2.0.
- **Official Website:** https://ejs.co/
- **Repository:** Source code is hosted on GitHub at https://github.com/mde/ejs.
- **Short Name:** Referred to by the acronym **EJS**.
- **Copyright Status:** Copyrighted.
- **Development Activity:** The provided source records multiple stable releases (versions 2.0.3 through 2.2.2) occurring between January 4 and January 21, 2015.

## FAQs
### Q: What is Embedded JavaScript (EJS)?
A: EJS is a templating language that enables developers to inject simple JavaScript logic directly into HTML markup to generate dynamic content.

### Q: Under what license is Embedded JavaScript distributed?
A: The software is distributed under the Apache Software License 2.0.

### Q: Where is the source code for Embedded JavaScript hosted?
A: The official source code repository is located on GitHub at `https://github.com/mde/ejs`.

## Why It Matters
Embedded JavaScript plays a specific role in the software development ecosystem by simplifying the creation of dynamic HTML. As a templating language, it addresses the need to bridge static markup with dynamic data logic without requiring complex frameworks. By allowing HTML to be "instrumented" with simple JavaScript, it provides a direct method for developers to inject variables, logic loops, and conditional statements directly into web pages.

Its significance is further underscored by its accessibility and open-source nature. Licensed under the Apache Software License 2.0, it is freely available for use, modification, and distribution, encouraging widespread adoption in both commercial and personal projects. The existence of a dedicated website and an active GitHub repository highlights its standing as a maintained and structured software component. By converting standard HTML into a dynamic template, EJS serves as a fundamental tool for developers requiring server-side rendering or simple text generation without the overhead of more complex single-page application architectures.

## Notable For
- **Integration:** Specifically designed to allow HTML instrumentation with simple JavaScript.
- **Open Source:** Availability under the permissive Apache Software License 2.0.
- **Accessibility:** Maintains a dedicated web presence at ejs.co and a public GitHub repository.
- **Rapid Release Cycle:** Historical data indicates a high frequency of stable version releases within short timeframes, such as the series of updates released in January 2015.

## Body
### Definition and Purpose
Embedded JavaScript (EJS) is identified as a **software** component and a **templating language**. Its core utility is enabling the instrumentation of HTML with simple JavaScript. This allows developers to create dynamic documents by embedding scripting logic within standard markup language.

### Licensing and Ownership
The software is **copyrighted** and formally licensed under the **Apache Software License 2.0**. This designation allows for broad usage rights within the constraints of the Apache license terms.

### Version History
The software has undergone multiple iterations, with specific release data recorded for the version 2.x series in early 2015. All versions listed in the source are designated as "stable versions."

**January 2015 Releases:**
- **Jan 4, 2015:** Releases 2.0.3 and 2.0.5 were published.
- **Jan 5, 2015:** Release 2.0.7 was published.
- **Jan 11, 2015:** A rapid succession of releases occurred, including versions 2.0.8, 2.1.1, and 2.1.2.
- **Jan 12, 2015:** Versions 2.1.3 and 2.1.4 were published.
- **Jan 20, 2015:** Release 2.2.1 was published.
- **Jan 21, 2015:** Version 2.2.2 was published.

### Technical Resources
EJS is supported by standard software infrastructure:
- **Website:** The official portal is `https://ejs.co/` (English language).
- **Repository:** Development is centered at `https://github.com/mde/ejs`.

## References

1. [Release 2.0.3. 2015](https://github.com/mde/ejs/releases/tag/v2.0.3)
2. [Release 2.0.5. 2015](https://github.com/mde/ejs/releases/tag/v2.0.5)
3. [Release 2.0.7. 2015](https://github.com/mde/ejs/releases/tag/v2.0.7)
4. [Release 2.0.8. 2015](https://github.com/mde/ejs/releases/tag/v2.0.8)
5. [Release 2.1.1. 2015](https://github.com/mde/ejs/releases/tag/v2.1.1)
6. [Release 2.1.2. 2015](https://github.com/mde/ejs/releases/tag/v2.1.2)
7. [Release 2.1.3. 2015](https://github.com/mde/ejs/releases/tag/v2.1.3)
8. [Release 2.1.4. 2015](https://github.com/mde/ejs/releases/tag/v2.1.4)
9. [Release 2.2.1. 2015](https://github.com/mde/ejs/releases/tag/v2.2.1)
10. [Release 2.2.2. 2015](https://github.com/mde/ejs/releases/tag/v2.2.2)
11. [Release 2.2.3. 2015](https://github.com/mde/ejs/releases/tag/v2.2.3)
12. [Release 2.2.4. 2015](https://github.com/mde/ejs/releases/tag/v2.2.4)
13. [Release 2.3.1. 2015](https://github.com/mde/ejs/releases/tag/v2.3.1)
14. [Release 2.3.2. 2015](https://github.com/mde/ejs/releases/tag/v2.3.2)
15. [Release 2.3.3. 2015](https://github.com/mde/ejs/releases/tag/v2.3.3)
16. [Release 2.3.4. 2015](https://github.com/mde/ejs/releases/tag/v2.3.4)
17. [Release 2.4.1. 2016](https://github.com/mde/ejs/releases/tag/v2.4.1)
18. [Release 2.4.2. 2016](https://github.com/mde/ejs/releases/tag/v2.4.2)
19. [Release 2.5.1. 2016](https://github.com/mde/ejs/releases/tag/v2.5.1)
20. [Release 2.5.2. 2016](https://github.com/mde/ejs/releases/tag/v2.5.2)
21. [Release 2.5.3. 2016](https://github.com/mde/ejs/releases/tag/v2.5.3)
22. [Release 2.5.4. 2016](https://github.com/mde/ejs/releases/tag/v2.5.4)
23. [Release 2.5.5. 2016](https://github.com/mde/ejs/releases/tag/v2.5.5)
24. [Release 2.5.6. 2017](https://github.com/mde/ejs/releases/tag/v2.5.6)
25. [Release 2.5.7. 2017](https://github.com/mde/ejs/releases/tag/v2.5.7)
26. [Release 2.5.8. 2018](https://github.com/mde/ejs/releases/tag/v2.5.8)
27. [Release 2.6.2. 2019](https://github.com/mde/ejs/releases/tag/v2.6.2)
28. [Release 2.7.1. 2019](https://github.com/mde/ejs/releases/tag/v2.7.1)
29. [Release 2.7.2. 2019](https://github.com/mde/ejs/releases/tag/v2.7.2)
30. [Release 2.7.3. 2019](https://github.com/mde/ejs/releases/tag/v2.7.3)
31. [Release 2.7.4. 2019](https://github.com/mde/ejs/releases/tag/v2.7.4)
32. [Release 3.0.2. 2020](https://github.com/mde/ejs/releases/tag/v3.0.2)
33. [Release 3.1.5. 2020](https://github.com/mde/ejs/releases/tag/v3.1.5)
34. [Release 3.1.6. 2021](https://github.com/mde/ejs/releases/tag/v3.1.6)
35. [Release 3.1.7. 2022](https://github.com/mde/ejs/releases/tag/v3.1.7)
36. [Release 3.1.8. 2022](https://github.com/mde/ejs/releases/tag/v3.1.8)
37. [Release 3.1.9. 2023](https://github.com/mde/ejs/releases/tag/v3.1.9)
38. [Release 3.1.10. 2024](https://github.com/mde/ejs/releases/tag/v3.1.10)
39. [Release 4.0.1. 2026](https://github.com/mde/ejs/releases/tag/v4.0.1)
40. [Release 5.0.1. 2026](https://github.com/mde/ejs/releases/tag/v5.0.1)