Master JavaScript arrays! Learn to create lists, access items by index, add/remove elements, and use powerful array methods. Arrays are essential for managing collections of data.
Arrays store multiple values in a single variable. Perfect for lists!
Every item in an array has a position number called an index. Let's access them!
Arrays have a length property, and you can use it to find the last item!
Arrays can grow! Use push() to add new items to the end of an array.
Use pop() to remove the last item from an array. It also returns the removed item!
Use indexOf() to find the position of an item in an array!
The includes() method is a simple way to check if an array contains a specific item!
Use join() to convert an array into a single string with custom separators!