What is the JavaScript array spread operator?

Can you explain what the JavaScript array spread operator is?

Sure! The array spread operator, denoted by '...', allows you to expand elements of an array into another array or function arguments.

Can you give me an example of how to use it?

Absolutely! For instance, if you have an array let arr = [1, 2, 3];, you can create a new array with let newArr = [...arr, 4, 5];, which results in [1, 2, 3, 4, 5].

What are some common use cases for the spread operator?

Common use cases include merging arrays, copying arrays, and passing array elements as arguments to functions.

Are there any limitations to using the spread operator?

Yes, the spread operator only works with iterable objects, so it won't work with non-iterables like objects directly.