dom-event-delegation

Question 1

What is the event.target?

Answer 1

The read-only target property of the Event interface is a reference to the object onto which the event was dispatched.

The element point of interaction, dispatches the event, the element the user interacts with.

Question 2

Why is it possible to listen for events on one element that actually happen its descendent elements?

Answer 2

Event bubbling

Question 3

What DOM element property tells you what type of element it is?

Answer 3

event.target.tagName

Question 4

What does the element.closest() method take as its argument and what does it return?

Answer 4

Takes: CSS query as a string
Returns: first thing it finds, if it cant find anything, it returns null

Question 5

How can you remove an element from the DOM?

Answer 5

element.remove( )

Question 6

If you wanted to insert new clickable DOM elements into the page using JavaScript, how could you avoid adding an event listener to every new element individually?

Answer 6

Put listener on the parent, listen to children