How to use this tool?

This free online converter lets you convert code from Crystal to JavaScript in a click of a button. To use this converter, take the following steps -

  1. Type or paste your Crystal code in the input box.
  2. Click the convert button.
  3. The resulting JavaScript code from the conversion will be displayed in the output box.

Key differences between Crystal and JavaScript

SyntaxCrystal has a syntax similar to Ruby, with a focus on readability and simplicity.JavaScript has a C-like syntax, with a focus on flexibility and expressiveness.
ParadigmCrystal is a statically-typed, object-oriented language with support for metaprogramming.JavaScript is a dynamically-typed, multi-paradigm language that supports object-oriented, functional, and imperative programming.
TypingCrystal has static typing, which allows for better performance and early error detection.JavaScript has dynamic typing, which provides flexibility but can lead to runtime errors.
PerformanceCrystal is known for its high performance, as it compiles to native code.JavaScript's performance can vary depending on the runtime environment and optimizations.
Libraries and frameworksCrystal has a smaller ecosystem compared to JavaScript, but it has libraries for common tasks.JavaScript has a vast ecosystem with numerous libraries and frameworks for various purposes.
Community and supportCrystal has a smaller community compared to JavaScript, but it is growing and has active support.JavaScript has a large and active community with extensive support and resources.
Learning curveCrystal has a relatively small learning curve, especially for developers familiar with Ruby.JavaScript has a moderate learning curve, with a wide range of concepts and features to master.