How do JavaScript promises affect performance?
An example of an AI chatbot conversation about JavaScript promises and their performance implications.
How do JavaScript promises affect performance?
JavaScript promises can improve performance by allowing asynchronous operations, which prevent blocking the main thread.
Can you explain how they do that?
Sure! Promises enable non-blocking code execution, allowing other tasks to run while waiting for an operation to complete.
Are there any performance drawbacks to using promises?
Yes, if not managed properly, promises can lead to memory leaks or excessive chaining, which may degrade performance.
What are some best practices for using promises?
Best practices include avoiding deep chaining, using async/await for readability, and handling errors properly with .catch.
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