How to use this tool?
This free online converter lets you convert code from JavaScript to Kotlin 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 the convert button.
- The resulting Kotlin code from the conversion will be displayed in the output box.
Key differences between JavaScript and Kotlin
Characteristic | JavaScript | Kotlin |
---|---|---|
Syntax | JavaScript has a C-style syntax with curly braces, semicolons, and parentheses. It also supports functional programming constructs like anonymous functions and closures. | Kotlin has a similar syntax to Java, but with some added features like null safety and extension functions. It also supports functional programming constructs like lambdas and higher-order functions. |
Paradigm | JavaScript is a multi-paradigm language that supports both object-oriented and functional programming styles. | Kotlin is a multi-paradigm language that supports both object-oriented and functional programming styles. It also has some features that make it a good fit for reactive programming. |
Typing | JavaScript is a dynamically typed language, which means that variable types are determined at runtime. | Kotlin is a statically typed language, which means that variable types are determined at compile time. It also has support for type inference. |
Performance | JavaScript is generally slower than compiled languages like Kotlin, but it has improved significantly with the introduction of new technologies like WebAssembly. | Kotlin is a compiled language that can be optimized for performance. It also has some features that make it a good fit for building high-performance applications. |
Libraries and frameworks | JavaScript has a vast ecosystem of libraries and frameworks, including popular ones like React, Angular, and Vue. | Kotlin has a growing ecosystem of libraries and frameworks, including popular ones like Spring and Ktor. |
Community and support | JavaScript has a large and active community with many resources available for learning and development. | Kotlin has a growing community with many resources available for learning and development. It is also backed by JetBrains, a company that provides tools and support for developers. |
Learning curve | JavaScript has a relatively low learning curve, especially for developers who are already familiar with C-style syntax. | Kotlin has a moderate learning curve, especially for developers who are already familiar with Java or other JVM languages. |