Free Dart to JavaScript Converter
How to use this tool?
This free online converter lets you convert code from Dart to JavaScript in a click of a button. To use this converter, take the following steps -
- Type or paste your Dart code in the input box.
- Click the convert button.
- The resulting JavaScript code from the conversion will be displayed in the output box.
Examples
The following are examples of code conversion from Dart to JavaScript 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.
Dart
JavaScript
Example 2 - Even or Odd
A well commented function to check if a number if odd or even.
Dart
JavaScript
Key differences between Dart and JavaScript
| Characteristic | Dart | JavaScript |
|---|---|---|
| Syntax | Dart has a more modern and cleaner syntax compared to JavaScript. | JavaScript has a more flexible and forgiving syntax compared to Dart. |
| Paradigm | Dart supports both object-oriented and functional programming paradigms. | JavaScript is primarily an object-oriented programming language but also supports functional programming. |
| Typing | Dart is a statically typed language, which means variables have types that are checked at compile-time. | JavaScript is a dynamically typed language, which means variables do not have types and are checked at runtime. |
| Performance | Dart is known for its fast performance and can be compiled to highly optimized native code. | JavaScript performance can vary depending on the browser and runtime environment. |
| Libraries and frameworks | Dart has a smaller ecosystem of libraries and frameworks compared to JavaScript, but it is growing. | JavaScript has a vast ecosystem of libraries and frameworks, making it easier to find existing solutions. |
| Community and support | Dart has a smaller community compared to JavaScript, but it is backed by Google and has good documentation. | JavaScript has a large and active community with extensive support and resources available. |
| Learning curve | Dart has a relatively low learning curve, especially for developers familiar with statically typed languages. | JavaScript has a moderate learning curve, but it can be challenging for developers new to programming. |
Frequently Asked Questions
How do I convert Dart to JavaScript?
Paste your Dart code into the input box, confirm the languages are set to Dart and JavaScript, and click Convert. CodeConvert AI analyzes your Dart code and generates equivalent JavaScript code in seconds, preserving the original logic and structure.
What are the main differences between Dart and JavaScript?
Dart and JavaScript differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Dart construct to its closest JavaScript equivalent. See the comparison table below for the key differences between Dart and JavaScript.
Is the converted JavaScript code accurate?
The AI produces high-quality JavaScript code that preserves the behavior of your original Dart code and follows JavaScript conventions. It handles common patterns, data structures, and idioms for both Dart and JavaScript. For large or performance-critical code, review and test the JavaScript output before using it in production.
Can I convert an entire Dart project to JavaScript?
You can convert Dart files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from Dart to JavaScript. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert JavaScript back to Dart?
Yes. CodeConvert AI converts in both directions, so you can convert JavaScript to Dart just as easily using our JavaScript to Dart converter. Try the JavaScript to Dart Converter
Is the Dart to JavaScript converter free, and do I need to install anything?
Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert Dart to JavaScript without an account for up to 5 conversions per day. Sign in for free for higher limits.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.
