How to use this tool?

This free online converter lets you convert code from JavaScript to Scala 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 Scala code from the conversion will be displayed in the output box.

Examples

The following are examples of code conversion from JavaScript to Scala 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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Scala

Example 2 - Even or Odd

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

JavaScript

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Scala

Key differences between JavaScript and Scala

CharacteristicJavaScriptScala
SyntaxJavaScript has a C-style syntax with curly braces, semicolons, and parentheses. It is a loosely typed language, which means that variables do not need to be declared with a specific data type.Scala has a syntax that is similar to Java, but with some additional features such as type inference, pattern matching, and functional programming constructs.
ParadigmJavaScript is a multi-paradigm language that supports both object-oriented and functional programming styles.Scala is a multi-paradigm language that supports both object-oriented and functional programming styles. It is designed to be a more functional language than Java.
TypingJavaScript is a dynamically typed language, which means that variables do not need to be declared with a specific data type.Scala is a statically typed language, which means that variables must be declared with a specific data type.
PerformanceJavaScript is generally considered to be slower than compiled languages like Java and Scala, but it has improved significantly in recent years with the introduction of new technologies like WebAssembly.Scala is a compiled language that is designed to be faster than interpreted languages like JavaScript. It is often used for high-performance applications.
Libraries and frameworksJavaScript has a large and active community that has developed many libraries and frameworks for web development, such as React, Angular, and Vue.Scala has a smaller community than JavaScript, but it still has many libraries and frameworks available, such as Akka, Play, and Spark.
Community and supportJavaScript has a large and active community that provides a lot of support and resources for developers.Scala has a smaller community than JavaScript, but it still has a dedicated following and many resources available for developers.
Learning curveJavaScript has a relatively low learning curve, as it is easy to get started with and has many resources available for beginners.Scala has a steeper learning curve than JavaScript, as it has more advanced features and requires a deeper understanding of programming concepts.