The connection between JavaScript and TypeScript

1. What is JavaScript?

JavaScript , also known as JS , is a programming language that conforms to ECMAScript specification. This is a high-level, usually just-in-time, multi-paradigm.

Vanilla JavaScript is a name used to refer to the use of plain JavaScript without any additional libraries.

2. What is JavaScript used for?

JS is a widely used programming language used on both the client and server sides to make web pages interactive.

JavaScript can be used for the following purposes:

• Add interactivity to your web pages.
• Create web and mobile applications.
• Build web servers and develop server applications.
• Game Development

3. What is TypeScript?

TypeScript is a strongly typed, object-oriented, compiled language. TypeScript , also known as TS, is JavaScript(JS) -compliant superset of JavaScript . In short, TS is JS with more additional features.

4. What are the characteristics of TypeScript?

• TypeScript is just JavaScript . You only need to know JS to use TS. This is because all your TypeScript code is converted into JavaScript for execution.
• TypeScript supports other JS libraries; therefore, TypeScript generated JS can reuse all existing JavaScript frameworks, tools, and libraries.
• JS files are TS files. This simply means that any valid .js file can *be renamed to .ts and be compatible with other TS files.
• TypeScript is portable. TS can run in any environment that runs JS, it can run across browsers, devices, operating systems, etc... TypeScript does not require a dedicated VM or a specific runtime environment to execute.

5. What is the purpose of TypeScript over JavaScript?

Advantages of TypeScript over JavaScript include:

• Supports classes and modules.
• Static type checking
• ES6 feature support
• Clear library API definitions.
• Built-in support for JavaScript bundling.
• A superset of JavaScript

6. Should we start using TypeScript?

Since TypeScript is an object-oriented language, it makes the code more reusable, simple, clean, and consistent. Therefore, it is recommended to use TypeScript to build a large project. But vanilla JavaScript can be used in smaller coding projects for better practice.

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