dom event delegation

Question 1

What is the event.target?

Answer 1

the element that the event happened on

Question 2

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

Answer 2

thanks to 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 a CSS selector to search up the document tree for starting with itself, returns the first matching ancestor or 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

add the listener to an ancestor instead