How to use this tool?

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

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

Examples

The following are examples of code conversion from JavaScript to Elm using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

JavaScript

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Elm

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

JavaScript

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Elm

Key differences between JavaScript and Elm

CharacteristicJavaScriptElm
SyntaxJavaScript has a C-like syntax with curly braces and semicolons.Elm has a syntax similar to Haskell with significant whitespace and no semicolons.
ParadigmJavaScript supports multiple paradigms including procedural, object-oriented, and functional programming.Elm is a purely functional programming language.
TypingJavaScript is dynamically typed.Elm is statically typed.
PerformanceJavaScript performance can vary depending on the implementation and optimizations.Elm is designed for performance and has a strong focus on immutability and efficient rendering.
Libraries and frameworksJavaScript has a vast ecosystem of libraries and frameworks like React, Angular, and Vue.Elm has a smaller ecosystem of libraries and frameworks compared to JavaScript, but it has its own framework called Elm Architecture.
Community and supportJavaScript has a large and active community with extensive support and resources.Elm has a smaller but dedicated community with good support and resources.
Learning curveJavaScript has a moderate learning curve due to its flexibility and various paradigms.Elm has a steeper learning curve for developers new to functional programming concepts.