If you just have JavaScript, then you do not have any type checking or type definitions for 3rd party components. In short, TypeScript is safer than JavaScript. JavaScript does not support any ‘type checking’ or ‘type definitions’ for 3rd party components and hides bugs until runtime. It provides a safe environment for writing large applications as well as to scale up small applications written in JavaScript. TypeScript can be any valid JavaScript but if it is any TypeScript then it must be compiled to JavaScript, hence JavaScript is valid TypeScript, but TypeScript is not valid JavaScript. It checks for types, etc., when TypeScript is compiled rather than when the code is executed. It compiles to JavaScript so the output from the compile process is plain JavaScript. VS Code extensions enable you to easily extend the VS Code development environment to meet whatever needs you have. The article begins with a high-level overview of each of the core components needed and walks through how to get a development environment set up, a template configured, and how to write some code to get started. VS Code is a cross platform lightweight development environment from Microsoft. In this article, you will learn how to create a Visual Studio Code (VS Code) extension using TypeScript. Writing VS Code Extensions with TypeScript - Simple Talk Skip to content
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