When a client sends a message to the server, it will be validated and broadcast to all the connected clients: In this tutorial, we are going to write a very simple chat server using Node.js and WebSockets, which enable real-time duplex communication via TCP. The compiler naturally provides type checking, which augments developers' confidence in their code. Developed by Anders Hejlsberg, the lead architect of C#, it is a superset of JavaScript that introduces features such as static typing and generics, as well as ECMAScript 6 and 7 proposals such as lambda expressions. That said, the language contains some quirks that can prove confusing to more novice JavaScripters, such as function invocation patterns developers will eventually become accustomed to its workings, but will encounter frustration along the way.Įnter TypeScript. JavaScript, when used correctly, enables developers to write clean, modularised code.
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