What is an 'event handler'?
event handlers are functions that are used when an event occurs
How are event handlers invoked?
the browser invokes event handlers when a event occurs
What is an 'anonymous' function?
when event handler functions do not have names
Explain what the addEventListener() method of a DOM element is, and explain the purpose of each of it's parameters.
It is a method within every object designed for hooking up event handlers. First parameter is a string which is the name of the event being listened for, the second parameter is a function, that is the EH that will be invoked when an event is detected.
Always test your work! Check the console log to make sure there are no errors.