Preparation Before Installation
Npm install typescript need to use management tools, along with Node.js and npm package management tool is installed together, so we have installed Node
1, to the Node official website to download the latest version of the installation package: http://nodejs.cn/download/ , double-click operation
2. Select the installation mode when we chose only npm package manager on it, installed after the open cmd, input node -v, npm -v to check the version number
The version number corresponding installation instructions Node success happens, we just installed a management tool npm
start installation
After installing the tool npm open cmd, using npm install - G typescript command to install typescript
After more than seven hundred seconds ...
Use tsc -v command to check the version number
Display the corresponding version number of the installation is successful
Configuring idea
Open setting, set Languages & Frameworks> TypeScript
Node interpreter, choose our path just installed node following node.exe
TypeScript, select front npm installed typescript, following the path
Create a test file test.ts
let message: string = "Hello World";
console.log(message);
When we open .ts file, there will be TypeScript tool bar at the bottom, click on the small hammer compiled
After compiling will be more of a test.js
var message = "Hello World"; console.log(message);