2. Sorting an Array

          In order to sort an array, the sort() method is used. Using this method, elements in the array are arranged alphabetically.

For example:

<script>

var region12 = ["South Cotabato", "Cotabato City", "Sultan Kudarat",  

"Sarangani", "General Santos City"];

region12.sort(); //sorts the array alphabetically

console.log(region12);

</script>

          With the example above, it will print ["Cotabato City", "General Santos City", "Sarangani", "South Cotabato", "Sultan Kudarat"]. It is rearranged in an alphabetical order. If you want to reverse the output, the reverse() method can be used.

For example:

<script>

var region12 = ["South Cotabato", "Cotabato City", "Sultan Kudarat",  

"Sarangani", "General  Santos City"];

region12.sort(); //sorts the array alphabetically

region12.reverse(); //reverses the sorted array

console.log(region12); //prints ["Sultan Kudarat", "South Cotabato",

"Sarangani", "General  Santos City", "Cotabato City"]

</script>