Learning ServiceNow

The structure of an API class

First, let's define a few terms. According to Mozilla's object-oriented JavaScript documentation, a class is sort of like a template for an object. It pre-defines the methods and properties of an object generated from the class.

An object therefore, is simply an instance of a class!

A method is a function or subroutine that's declared as part of a class (and any objects that are instances of that class).

A constructor is a special type of function that runs when an object is declared as a new instance of a class using the new keyword. In ServiceNow, this constructor function is usually called initialize. Any arguments passed into the class during instantiation will be passed into this function, which effectively ...