How to check what is installed TypeScript and which version?

To check what is installed TypeScript you need to enter [konec_stroki] at the command prompt: tsc -v



On the screen we will see the version installed TypeScript



Note!
It happens that the command does not work tsc , but TypeScript your computer is installed.
So, look for tsc.exe
If found it means you have installed TypeScript.

Run at a command prompt to find out the version TypeScript.

How to update to the latest version TypeScript

Type at the command prompt: npm update -g typescript

How to download, install TypeScript ?

Method 1. Use Package Manager npm in the node.js

Install Node.js
after installation run at a command prompt: npm install -g typescript


или


Method 2. Install Visual Studio 2017

During installation Visual Studio 2017 put the option:
☑ Node.js development
then all the tools for working with TypeScript

Compilation TypeScript in to JavaScript

To convert .ts file into .js file
you need to run in the command line: tsc file1.ts



file1.ts is the name of the file.
The file name can be anything.


Note!
It happens that the command does not work tsc , but TypeScript your computer is installed.
So, look for tsc.exe
If found it means you have installed TypeScript.

Run at a command prompt