When should I use foreach instead of a for loop?

When should I use foreach instead of a for loop?

You should use foreach when you want to iterate over collections like arrays or lists without needing the index.

Are there performance differences between foreach and for loop?

Yes, for loops can be faster in some cases, especially with large datasets, but foreach is often more readable.

Can I use foreach with objects?

Yes, foreach can be used with objects in languages like JavaScript, but you need to use Object.keys or similar methods.

What about nested loops? Is foreach still a good choice?

For nested loops, you can still use foreach, but be mindful of readability and performance, especially with deep nesting.