This does not mean that the variables in an array are related to each other; they are still separate entities in themselves. Arrays helps us group variables, which we plan to use for a particular purpose because accessing their values becomes a lot easier this way. Consider the following table: To store these city names, we can either employ different variables such as city1, city2, city3 ... or insert these values into an array. Let's see how we make an array. var city = new Array(); Each array is initialized using the new keyword with the Array() construct (Isn't this similar to using Date()?).