JavaScript and JSON Essentials

Arrays

Variables are good to hold single values, but for cases where a variable should contain multiple values, we would have to rely on arrays. A JavaScript array is a collection of items arranged in an order, according to their index. Each item, in the array, is an element and has an index, which is used to access that element. Arrays are like a bookshelf that holds more than one book; each book having its unique location. Arrays are declared using the array literal notation [].

Let us look at a simple array declaration:

Note

Arrays in JavaScript are zero based.

Let us initialize the array:

To access the value of a specific element, the reference index ...