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Online TypeScript to JavaScript Converter

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Additional Instructions

How to use this tool?

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

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

Examples

The following are examples of code conversion from TypeScript 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.

TypeScript Code:

JavaScript Code:

Example 2 - Even or Odd

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

TypeScript Code:

JavaScript Code:

Differences

The following are some key differences between TypeScript and JavaScript.

Characteristic	TypeScript	JavaScript
Syntax	TypeScript is a superset of JavaScript, so it has the same syntax as JavaScript with some additional features.	JavaScript has a simple and flexible syntax that is easy to learn and use.
Paradigm	TypeScript is an object-oriented programming language that supports both object-oriented and functional programming paradigms.	JavaScript is a multi-paradigm language that supports object-oriented, functional, and imperative programming paradigms.
Typing	TypeScript is a statically typed language that allows developers to define types for variables, functions, and objects.	JavaScript is a dynamically typed language that does not require developers to define types for variables, functions, and objects.
Performance	TypeScript can improve the performance of JavaScript applications by catching errors at compile-time and optimizing code at runtime.	JavaScript can be slower than TypeScript because it is interpreted at runtime and errors are caught at runtime.
Libraries and frameworks	TypeScript has access to all the libraries and frameworks available for JavaScript, as well as its own set of libraries and frameworks.	JavaScript has a vast ecosystem of libraries and frameworks that are widely used and supported.
Community and support	TypeScript has a growing community of developers and is supported by Microsoft.	JavaScript has a large and active community of developers and is supported by all major web browsers.
Learning curve	TypeScript has a steeper learning curve than JavaScript because it requires developers to learn new concepts such as types and interfaces.	JavaScript has a relatively low learning curve and is easy to get started with.

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