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What are the differences between Promises and Callbacks in Jasmine?

An example of an AI chatbot conversation about Jasmine testing with Promises and Callbacks.

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You

Can you explain the differences between Promises and Callbacks in Jasmine?

MagicBuddy
MagicBuddy

Sure! Callbacks are functions passed as arguments to other functions, executed after a task is completed. Promises, on the other hand, represent a value that may be available now, or in the future, or never. They provide a cleaner way to handle asynchronous operations.

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You

Why should I prefer Promises over Callbacks?

MagicBuddy
MagicBuddy

Promises help avoid callback hell, making code easier to read and maintain. They also allow chaining, which can simplify error handling.

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You

Can you give me an example of using both in Jasmine?

MagicBuddy
MagicBuddy

Certainly! In Jasmine, you can use callbacks in done() to signal completion, while with Promises, you can return a Promise and use then() for handling results.

😀
You

What are some common pitfalls when using Callbacks?

MagicBuddy
MagicBuddy

Common pitfalls include callback hell, where nested callbacks become hard to manage, and error handling can become complicated.

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