Arrays
Arrays are ordered lists of values. They're one of the most important data
structures in JavaScript and are used constantly in real applications.
What You'll Learn
- Creating and accessing arrays - Store and retrieve multiple values
- Array methods - Built-in functions to modify arrays
- Iteration - Loop through arrays with
forEach,map, andfilter
Why This Matters
Real programs deal with collections of data:
- A list of users
- Shopping cart items
- Search results
- Form field values
Arrays let you store multiple values in a single variable and perform operations
on all of them efficiently.
Let's learn to work with lists of data!