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Chapter 1. Getting Started
- Starting a new project
Chapter 2. Strings
Chapter 3. Numbers
Chapter 4. Data Structures
- Using associative arrays
Chapter 5. Good Coding Practices
Chapter 6. Files and I/O
Chapter 7. Dates and Times
Chapter 9. Testing and Debugging
Chapter 10. Data Formats and Serialization
Chapter 11. HTML and the Web

Chapter 1. Getting Started
- Starting a new project
Chapter 2. Strings
Chapter 3. Numbers
Chapter 4. Data Structures
- Using associative arrays
Chapter 5. Good Coding Practices
Chapter 6. Files and I/O
Chapter 7. Dates and Times
Chapter 9. Testing and Debugging
Chapter 10. Data Formats and Serialization
Chapter 11. HTML and the Web

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Chapter 9. Testing and Debugging

TypeScript Chapter 9.
Testing and Debugging

Printing debug output

Want to print debug output in TypeScript?

Using an interactive shell (REPL)

TypeScript doesn’t come with its own REPL.

Using a debugger

To get cracking with a debugger in TypeScript, all you need is a supported IDE (like Visual Studio Code) and a launch.json configuration.

Writing tests

TypeScript works harmoniously with most JavaScript testing frameworks.