Some records are defined as scripts, such that running a script is their primary function. Other records, such as business rules, will support scripting if you enable the Advanced view, but which have more basic functionality even without scripting. What might be less intuitive, is that certain fields such as the condition builder, can also support scripting if the script is invoked using the javascript: keyword.
Later, we'll go over most of the scenarios in which scripting is supported in one fashion or another, and we'll learn what these scripts do, as well as the context in which they execute (whether on the client, or the server).
In a previous chapter, we learned about how access controls (AKA security rules/ACLs) control whether a user can access a record, or perform a certain operation upon it (read, write, delete, and so on). Access controls have a great deal of functionality without scripting, but do have the capability...