Dom-event-delegation-Q&A

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.

Question 2

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

Answer 2

Because of event bubbling

Question 3

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

Answer 3

.tagname

Question 4

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

Answer 4

It takes a css selector, and returns the closest matching ancestor

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

By adding functionality to the parent element then listen for child element events