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TypeScript starts from JavaScript and turns it into a safe language. You get gradual type checking, code completion, as well as static checking of the way your code hangs together. JavaScript never had the hard, protective shell that we're used to in contemporary languages. TypeScript acts like a programming exoskeleton, giving you safety, expressive power, and precision on top of the original language.

This course teaches you the necessary basics to get going and becoming productive with TypeScript. It grounds itself in concrete code and practical examples. Much of the time will be spent on exercises, producing running code.

You'll come away from the course with a clear sense of how TypeScript can help structure your everyday development. The tools in the course allow you to construct new code more quickly and maintain existing code more easily.

Visual Studio 2015 is used throughout the course, making use of its built-in TypeScript support.

Target audience

People who feel familiar with JavaScript, and want to add the static type guarantees of TypeScript into their workflow.


A solid JavaScript knowledge, corresponding to the level of our Modern JavaScript course or similar.

Frontend development in JavaScript has always been rife with  pitfalls. An experienced team will know about these and take them into  account — using linters, tests, best practices, style guides, etc. All   these things help raise code quality, but they don't address the  fundamental problem: that JavaScript as a language is poorly equipped   for developing large applications.

Why TypeScript?

TypeScript   solves that problem. From day 1 with TypeScript, you're catching   mistakes that JavaScript blissfully ignores. You can build bigger and   more ambitiously, and gain better control over the architecture of the   application. At the same time, you bring all your knowledge of   JavaScript into your TypeScript development.

A few contrasting examples: in JavaScript it's fine to forget a   property in an object literal, to call a function with the wrong number   of arguments, or to write code that will never be reached in a  program.  TypeScript flags all of these things as errors, often directly  in an IDE.

What you will learn

Day 1

  • Why TypeScript?
  • Classes
  • Interfaces
  • Typing and JavaScript
  • Structural and contextual typing
  • Enums
  • Generic types
  • Debugging

Day 2

  • Refactoring to types: from JS to TS
  • Functions
  • A second look at OO
  • Modules
  • Testing
  • Deployment
  • CommonJS and AMD
  • TypeScript and the future

Course info

Course code: T370
Duration: 2 days
Price: 21 500 SEK
Language: English

Course schedule

19 NovBook now
17 Jan 2019Book now
24 Jun 2019Book now



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