What are the best practices for using the module pattern in JavaScript?
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What are the best practices for using the module pattern in JavaScript?
The module pattern helps in encapsulating code and managing scope. Best practices include using IIFE (Immediately Invoked Function Expressions), keeping the public API minimal, and avoiding global variables.
Can you explain how IIFE works in this context?
Sure! An IIFE is a function that runs as soon as it is defined. It helps create a private scope, preventing variables from polluting the global namespace.
What are some common mistakes to avoid when using the module pattern?
Common mistakes include exposing too many internal variables, not using closures effectively, and failing to maintain a clear public API.
How can I test modules created with this pattern?
You can test modules by using dependency injection, mocking dependencies, and writing unit tests for the public API.
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