The Howdy Glossary

Opal is an open-source programming language within the Ruby ecosystem designed for creating web applications. It compiles to JavaScript, enabling developers to write client-side browser code in Opal that can seamlessly connect with Ruby back-end systems. The language offers a syntax similar to Ruby, aiding those already versed in the language, and provides a standard library for working with HTML5 and CSS3 elements. This enhances its web development capabilities.

Opal's creation by Elia Schito, an experienced software developer known for his contributions to the Ruby community, plays a significant role in its development. Schito's vision and expertise in both Ruby and JavaScript were pivotal in developing Opal as a bridge between front-end and back-end development. The language simplifies web application development by allowing developers to use their existing Ruby skills for client-side programming, thus providing a more coherent solution for full-stack development.

Opal distinguishes itself through features like direct compilation of Ruby code to JavaScript and seamless integration with existing Ruby back-end systems. This streamlines full-stack development and enhances its web capabilities through a tailored standard library optimized for HTML5 and CSS3 interactions. Unlike competitors such as CoffeeScript or Emscripten, Opal facilitates an easier transition for Ruby developers into client-side coding due to its familiar syntax. Targeting primarily those well-versed in Ruby looking to expand into client-side web development makes it an attractive choice for leveraging their expertise efficiently on modern web applications.