Typescript vs. JavaScript
Sat, 10 Apr 2021
What is TypeScript?
TypeScript is a JavaScript superset typed to compile to plain JavaScript. It is pure object-oriented with classes, interfaces, and programming languages such as C # or Java which are statically typed. To compile and generate the code in the JavaScript file you’ll need a compiler. TypeScript is JavaScript’s ES6 version, with some additional features.
TypeScript code is written in a file with .ts extension and then compiled using the compiler into JavaScript. You can write the file in any code editor, and install the compiler on your platform.
Typescript optionally provides static typing, classes, and interface. It can bring you more robust software and easily deployable with a regular JavaScript application for a large JavaScript project adopting Typescript.
What is JavaScript?
JavaScript is a scripting language for creating interactive web pages. It followed client-side programming rules, so it runs in the user’s web browser without the need for the webserver to form any resources. Javascript can also be used with other technologies, such as REST APIs, XML, and more.
The idea behind developing this script is to make it a complementary scripting language in Microsoft’s language families such as Visual Basic was to C++. JavaScript, however, isn’t designed for large complex applications. It was developed with just a few hundred lines of code for applications.
Difference:
|
Typescript |
JavaScript |
|
It is a powerful type system, including generics and JS features |
It is lightweight, interpreted, object-oriented language with first-class functions |
|
TypeScript uses concepts like types and interfaces to describe data being used |
No such concept is available with JavaScript |
|
Stiff learning curve and requires prior scripting knowledge. |
Flexible and easy to learn scripting language |
|
Typescript many npm packages either come with static type definitions or have an external one that is easy to install |
Javascript offers the option to explore and create code without a build step |
|
Typescript has a feature of prototyping |
JavaScript doesn’t have this feature |
| Typescript does not have a large community of developers |
The JavaScript has a huge community of developers |
|
TypeScript code needs to be compiled |
No need to compile JavaScript |
|
To get the most out of TypeScript features, developers should constantly annotate their code |
No Annotations Required is need for Javascript |
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