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Angular Module 2: Typescript
Become a full-stack developer building front-ends with Angular
Approx. 3 hours 15 minutes
- This is part 2 of 5 modules which cover building Angular front ends for Java applications.
- Become a full-stack developer by learning how to build responsive and reactive front-ends with Angular.
- In this second module, we'll learn the basics of the Typescript programming language, and how to debug Angular applications, and how to write and run unit tests.
Contents
Having problems? check the errata
Introduction to typescript |
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| Module introduction 1m 52s | Watch | |
| Similarities to Java and the impact of TSLint 6m 7s | Watch | |
| Data types and variables 3m 36s | Watch | |
| Declaring variables 6m 17s | Watch | |
| Working with Arrays 9m 46s | Watch | |
| Loops and conditions 5m 26s | Watch | |
Classes and objects |
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| Understanding Javascript objects 3m 12s | Watch | |
| Creating classes 5m 16s | Watch | |
| Class attributes 3m 23s | Watch | |
| Constructors and methods 9m 40s | Watch | |
| String templates 2m 39s | Watch | |
| Some hints for debugging classes 2m 53s | Watch | |
| Object equality 4m 57s | Watch | |
Enums |
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| Creating an enum 2m 55s | Watch | |
| Looping through an enum 4m 37s | Watch | |
| Enums with values 3m 39s | Watch | |
| Retrieving a label from its value 5m 5s | Watch | |
Services and dependency injection |
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| What is a service 2m 15s | Watch | |
| Creating a service 7m 21s | Watch | |
| Dependency Injection 3m 11s | Watch | |
| Exercise 1 - dependency injection 1m 28s | Watch | |
| Exercise 1 - solution walktrhough 2m 40s | Watch | |
The observer design pattern |
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| The need for the observer design pattern 9m 41s | Watch | |
| Introducing the pattern and creating an observable 4m 53s | Watch | |
| Triggering an event, and creating an observer 7m 46s | Watch | |
| Dealing with errors and the complete event 5m 32s | Watch | |
| Unsubscribing an observer 3m 4s | Watch | |
| Exercise 2 - observer design pattern 2m 5s | Watch | |
| Exercise 2 - solution walkthrough 6m 47s | Watch | |
Debugging in Angular |
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| Introduction to Debugging 1m 4s | Watch | |
| Debugging with Visual Studio Code 5m 12s | Watch | |
| Debugging with IntelliJ 4m 43s | Watch | |
Unit testing |
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| Creating a Unit Test 5m 56s | Watch | |
| Running a single test 3m 58s | Watch | |
| Test evaluation methods 2m 36s | Watch | |
| Fixing the app component tests 5m 23s | Watch | |
| Testing behaviour 3m 59s | Watch | |
| Testing components with service dependencies 9m 18s | Watch | |
| Mocking services 13m 20s | Watch | |