What is Script Include? Script includes are used to store JavaScript that runs on the server. Script Includes are reusable server-side script logic that define a function or class. Script Includes execute their script logic on Server Side only when explicitly called by other scripts whether from Server side or client side. Consider using script includes instead of global business rules because script includes are only loaded on request. There are different types of Script Includes: On demand/classless Extend an existing class Define a new class On Demand/ classless Script Include - A Script Include that defines a single function is known as an on demand, or classless Script Include. The function is callable from other server-side scripts. On demand Script Includes can never be used client-side even if the Client callable option is selected. The Script Include name must exactly match the name of the function. On demand Script Includes are typically used when script...