The <SCRIPT> Script statement(s) </SCRIPT> tag consists of JavaScript statement. Just to be compatible with all the browsers it is been written in comments and it also accepts a semicolon(;) at the end of every statement. JavaScript also uses the carriage return at the end of a statement. Every statement has a purpose like:

- Define or initialize a variable that will be used in an object when executing the script

- Assign a value to a property or variable so that user inputs can be taken according to the values that are defined in it.

- Change the value of a property or variable to give more flexibility to the use of a scripting language.

- Invoke an object's method to allow faster processing of the system

- Invoke a function routine to allow the function to perform various activities so that the application can run at faster speed.