dom-event-delegation Flashcards

1
Q

What is the event.target?

A

reference to the object onto which the event was dispatched

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2
Q

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

A

the bubbling

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3
Q

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

A

event.target.tagName

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4
Q

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

A

The closest() method traverses the Element and its parents (heading toward the document root) until it finds a node that matches the provided selector string. Will return itself or the matching ancestor. If no such element exists, it returns null.

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5
Q

How can you remove an element from the DOM?

A

The Element.remove() method removes the element from the tree it belongs to

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6
Q

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?

A

The better solution is to add an event listener to the parent UL element

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