Why modules are needed in TypeScript - Quick Recap

Recall & Review

beginner

What is a module in TypeScript?

A module is a file that contains code (like variables, functions, or classes) which can be shared and used in other files.

beginner

Why do we need modules in TypeScript?

Modules help organize code by splitting it into smaller, manageable parts and avoid name conflicts by keeping code private unless exported.

intermediate

How do modules help avoid name conflicts?

Each module has its own scope, so variables or functions inside one module don’t clash with those in another unless explicitly shared.

beginner

What keywords are used to share code between modules?

The export keyword is used to share code, and import is used to bring that code into another module.

intermediate

How do modules improve code maintainability?

By breaking code into modules, it becomes easier to update, test, and reuse parts without affecting the whole program.

What is the main purpose of modules in TypeScript?

A To make code run faster

B To remove all variables

C To write code without any functions

D To organize code and avoid name conflicts

Modules help organize code and prevent name conflicts by keeping code scoped.

Which keyword is used to share code from a module?

A module

B import

C export

D include

The export keyword shares code from a module.

How do modules help with code scope?

A They make all variables global

B They keep variables and functions private unless exported

C They delete unused variables

D They convert code to plain text

Modules keep code private unless explicitly exported, avoiding conflicts.

What keyword do you use to bring code from another module?

A import

B export

C require

D include

The import keyword brings code from another module.

Which benefit is NOT provided by using modules?

A Making code run without errors automatically

B Avoiding name conflicts

C Easier code maintenance

D Better code organization

Modules help organize and maintain code but do not automatically fix errors.

Explain why modules are important in TypeScript and how they help manage code.

Think about how splitting a big task into smaller tasks makes it easier to handle.

Describe how the export and import keywords work in TypeScript modules.

Imagine sharing toys with friends and asking to borrow theirs.