ExpressJS VS EJS

• Fast Setup
  ExpressJS provides a minimal and flexible framework that allows rapid setup and development of web and mobile applications.
• Middleware Support
  ExpressJS has a robust middleware system, allowing developers to add reusable functions to the request-handling pipeline.
• Extensibility
  ExpressJS is highly extensible through third-party libraries and built-in functionality, catering to the needs of various applications.
• Performance
  Due to its minimalist core, ExpressJS provides efficient performance and is capable of handling a high number of requests per second.
• Community and Ecosystem
  A large and active community provides extensive documentation, support, and a wide array of open-source packages to extend functionality.
• Flexibility
  Compared to full-stack frameworks, ExpressJS gives developers the freedom to structure their applications as they see fit.
• Compatibility
  ExpressJS works seamlessly with various template engines, databases, and other frameworks, making it versatile for different project requirements.

Possible disadvantages

• Minimalist Core
  The minimalist nature of ExpressJS may require additional time and effort to integrate required plugins and libraries for specific features.
• Learning Curve
  While ExpressJS is straightforward, mastering the middleware pattern and effective usage can have a learning curve for new developers.
• Callback Hell
  Developers can encounter 'callback hell' due to nested callback functions, though this can be mitigated using Promises and async/await in modern JavaScript.
• Lack of Convention
  Unlike opinionated frameworks, ExpressJS lacks conventions, which can lead to inconsistent code structure and maintenance challenges across different projects.
• Security
  ExpressJS does not have built-in security features and relies on third-party solutions, requiring developers to be vigilant about applying best security practices.
• Scalability
  While ExpressJS can handle high traffic, building and maintaining a highly scalable application might require significant additional effort, particularly in terms of codebase organization and resource management.

• Simplicity
  EJS is easy to learn and use, especially for developers who are already familiar with JavaScript. The syntax is straightforward, making it a good choice for quick application development.
• JavaScript Integration
  Since EJS templates are JavaScript files, you can seamlessly integrate JavaScript code, making it easy to manipulate data and use familiar JavaScript functions.
• Lightweight
  EJS is a lightweight template engine, which makes it an optimal choice for applications where performance and simplicity are critical.
• Flexibility
  Allows for the embedding of plain JavaScript within the templates, giving developers the flexibility to add logic directly in their HTML.
• Partial Templates
  Supports partials, which help to reuse code snippets across different views, promoting DRY (Don't Repeat Yourself) principles.
• Server-Side Rendering
  Supports server-side rendering, which can improve performance by reducing the amount of client-side processing needed.

Possible disadvantages

• Limited Functionality
  Compared to more feature-rich template engines like Handlebars or Pug, EJS offers limited functionalities which might be a drawback for large, complex projects.
• Debugging
  Debugging EJS templates can sometimes be challenging. Errors within templates can often be vague, making it difficult to trace the root cause.
• Maintenance
  Embedding a lot of JavaScript within templates can make the code harder to read and maintain, especially as the complexity of the application grows.
• Performance Overhead
  For very large and complex templates, EJS can introduce a performance overhead compared to more optimized template engines designed for high performance.
• Community and Support
  While EJS has a reasonable user base, the community and support may not be as extensive as more popular alternatives like React or Vue.js.

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Kane Creek - Bestop Trail Review at EJS 2019

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