What are generator functions in JavaScript?

What are generator functions in JavaScript?

Generator functions are a special type of function that can pause and resume execution. They are defined using the function* syntax.

How do I create a generator function?

You create a generator function using the function* keyword, followed by a function name and the function body. For example: function* myGenerator() { yield 1; yield 2; }.

What does the 'yield' keyword do?

The 'yield' keyword is used to pause the execution of a generator function and return a value to the caller. It can be resumed later.

Can you give me an example of using a generator function?

Sure! Here's a simple example: function* countUpTo(max) { for (let i = 1; i <= max; i++) yield i; } This will yield numbers from 1 to max.