What are some effective techniques for iterating over arrays in JavaScript?

What are some effective techniques for iterating over arrays in JavaScript?

There are several techniques for iterating over arrays in JavaScript, including for loops, forEach, map, and more. Would you like a brief overview of each?

Yes, please! Can you explain the forEach method?

Sure! The forEach method executes a provided function once for each array element. It's great for performing actions on each item without creating a new array.

How does it differ from the map method?

The map method also iterates over each element, but it creates a new array with the results of calling a provided function on every element, while forEach does not return anything.

Are there any performance considerations I should be aware of?

Yes, for loops are generally faster for large arrays, while forEach and map are more readable and easier to use for smaller arrays.