What are some advanced JavaScript concepts I should know?
An example of an AI chatbot conversation about advanced JavaScript concepts like closures and promises.
What are some advanced JavaScript concepts I should know?
Some advanced concepts include closures, promises, async/await, and the prototype chain. Which one interests you?
Can you explain closures?
Sure! A closure is a function that retains access to its lexical scope, even when the function is executed outside that scope.
How do closures work in practice?
In practice, closures allow for data encapsulation. For example, you can create private variables in a function that are not accessible from outside.
What about promises? How do they differ from callbacks?
Promises provide a cleaner way to handle asynchronous operations compared to callbacks, avoiding callback hell and making code more readable.
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