How to use this tool?

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

Examples

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

Example 2 - Even or Odd

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

JavaScript

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Swift

Key differences between JavaScript and Swift

CharacteristicJavaScriptSwift
SyntaxJavaScript has a C-style syntax with curly braces and semicolons.Swift has a syntax similar to Objective-C, with a more modern and concise approach.
ParadigmJavaScript supports both object-oriented and functional programming paradigms.Swift is a multi-paradigm language that supports both object-oriented and functional programming.
TypingJavaScript is dynamically typed, meaning variable types are determined at runtime.Swift is statically typed, meaning variable types are checked at compile-time.
PerformanceJavaScript is an interpreted language, which can sometimes result in slower performance compared to compiled languages.Swift is a compiled language, which generally leads to better performance compared to interpreted languages.
Libraries and frameworksJavaScript has a wide range of libraries and frameworks available, such as React, Angular, and Node.js.Swift has a growing ecosystem of libraries and frameworks, with popular ones like SwiftUI and Alamofire.
Community and supportJavaScript has a large and active community with extensive online resources and support.Swift has a growing community with increasing support, especially from Apple and the iOS development community.
Learning curveJavaScript has a relatively low learning curve, especially for beginners with basic programming knowledge.Swift has a moderate learning curve, with similarities to other C-style languages and additional iOS-specific concepts.