Course/Module 7/Topic 3 of 3Intermediate

Modules & Namespaces - Practice

Put your modules & namespaces skills to the test with practical exercises and challenges.

50 min•By Priygop Team•Last updated: Feb 2026

Hands-On Practice

Practice makes perfect! In this section, you'll work through practical exercises that reinforce the concepts covered in this module.

Exercises

Exercise 1: Apply basic modules & namespaces concepts
Exercise 2: Solve intermediate-level challenges
Exercise 3: Build a mini-project using modules & namespaces
Exercise 4: Debug and fix common issues

Practice: Modules & Namespaces

Practice: Modules & NamespacesJavaScript⚠ 1 error

⚠ Syntax Issues (1)

Line 1: JS Error: Unexpected identifier 'Logger'

💡 Check syntax near the highlighted line.

JavaScript Editor

✕ 1 errorTab = 2 spaces

// Module pattern example
interface Logger {
  info(msg: string): void;
  error(msg: string): void;
}

const createLogger = (prefix: string): Logger => ({
  info: (msg) => console.log(`[${prefix} INFO] ${msg}`),
  error: (msg) => console.error(`[${prefix} ERROR] ${msg}`)
});

const appLogger = createLogger("App");
appLogger.info("Application started");
appLogger.error("Something went wrong!");

Result

Click ▶ Run to see the result

Edit the code on the left, then click Run

JavaScript|14 lines|396 chars|1 error, 0 warnings

UTF-8

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