How to install Typescript?
To install TypeScript, you need to follow these steps:
- Install Node.js: TypeScript requires Node.js to be installed on your system. You can download and install Node.js from the official website https://nodejs.org/en/.
- Install TypeScript: Once you have Node.js installed, you can use npm (Node Package Manager) to install TypeScript. Open a command prompt or terminal window and type the following command:Copy code
npm install -g typescriptThis will install TypeScript globally on your system.
- Verify the installation: After installing TypeScript, you can verify it by checking its version. Open a command prompt or terminal window and type the following command:cssCopy code
tsc --versionThis should display the version of TypeScript you have installed.
That’s it! You have successfully installed TypeScript on your system.
The TypeScript Playground is an online web editor that allows you to write TypeScript code, experiment with it, and see the results immediately. It is a great tool for learning and exploring TypeScript without having to set up a local development environment.
To use the TypeScript Playground, follow these steps:
- Go to the TypeScript Playground website: https://www.typescriptlang.org/play
- You will see a screen split into two parts: the editor on the left, and the output on the right.
- Write your TypeScript code in the editor on the left. You can write any valid TypeScript code, including classes, interfaces, functions, and more.
- As you type, the TypeScript Playground will automatically compile your code and show any errors or warnings in the editor.
- Once your code compiles without errors, you can see the output on the right-hand side of the screen. The output will display any console.log statements you have in your code.
- You can also change the compiler options in the bottom left corner of the screen. This allows you to customize how the TypeScript compiler behaves and how it checks your code.
- When you are finished experimenting with TypeScript in the Playground, you can save your code as a file or copy it to your local development environment.
The TypeScript Playground is a great tool for quickly trying out TypeScript code and learning its features. It’s also useful for sharing TypeScript snippets with others.