How can I chain array methods in JavaScript?

How can I chain array methods in JavaScript?

You can chain array methods in JavaScript by calling one method after another on the same array. For example, you can use map(), filter(), and reduce() in a single expression.

Can you give me an example of chaining these methods?

Sure! Here's an example: const result = array.filter(x => x > 10).map(x => x * 2).reduce((acc, x) => acc + x, 0); This filters the array for values greater than 10, doubles them, and then sums them up.

What if I want to sort the array before chaining?

You can sort the array first using the sort() method. Just place it at the beginning of your chain: array.sort().filter(...).map(...).reduce(...).

Are there any performance considerations when chaining methods?

Yes, chaining methods can lead to performance issues if the array is large, as each method creates a new array. It's important to consider the size and complexity of your operations.