You have 5 free credits left! Sign in to unlock more.

Online JavaScript to CoffeeScript Converter

Have a file? Upload

Additional Instructions

How to use this tool?

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

Type or paste your JavaScript code in the input box.
Click on the "Convert" button.
The converted CoffeeScript code will be displayed in the output box.

Examples

The following are examples of code conversion from JavaScript to CoffeeScript 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 Code:

CoffeeScript Code:

Example 2 - Even or Odd

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

JavaScript Code:

CoffeeScript Code:

Differences

The following are some key differences between JavaScript and CoffeeScript.

Characteristic	JavaScript	CoffeeScript
Syntax	JavaScript has a C-like syntax with curly braces and semicolons.	CoffeeScript has a more concise and expressive syntax with significant whitespace and optional parentheses.
Paradigm	JavaScript supports both object-oriented and functional programming paradigms.	CoffeeScript is a functional programming language that compiles to JavaScript.
Typing	JavaScript is dynamically typed.	CoffeeScript is also dynamically typed, but it provides optional static typing through type annotations.
Performance	JavaScript performance depends on the JavaScript engine used, but it is generally fast.	CoffeeScript performance is similar to JavaScript since it compiles to JavaScript code.
Libraries and frameworks	JavaScript has a vast ecosystem of libraries and frameworks, such as React, Angular, and Node.js.	CoffeeScript can use the same libraries and frameworks as JavaScript since it compiles to JavaScript code.
Community and support	JavaScript has a large and active community with extensive support and resources available.	CoffeeScript has a smaller community compared to JavaScript, but it still has active support and resources.
Learning curve	JavaScript has a moderate learning curve, especially for beginners.	CoffeeScript has a slightly steeper learning curve compared to JavaScript due to its unique syntax and features.

Instant AI Code Converters
— No Setup Required

Convert your code between languages with AI-driven accuracy. Choose a converter and get started instantly.