Event Bubbling & Delegation

Event Bubbling & Delegation

Assessment

Interactive Video

Created by

Quizizz Content

Information Technology (IT), Architecture

University

Hard

The video tutorial covers the concepts of event bubbling and event delegation in JavaScript. Event bubbling is explained as the process where an event on a DOM element propagates up to its parent elements. An example is provided to demonstrate this concept. Event delegation is introduced as a technique where an event listener is placed on a parent element to manage events for its child elements. The tutorial includes examples to illustrate how event delegation can be used effectively, especially when dealing with dynamically added elements. The video concludes with a brief overview of how these concepts will be applied in a future project.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is event bubbling in the context of DOM events?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how event delegation works and why it is useful.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when an event bubbles up through the DOM?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the difference between event bubbling and event delegation?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe a scenario where event delegation is necessary.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you target a specific element in an event delegation setup?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What role does the 'event.target' property play in event handling?

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