Modern Web Design with HTML5, CSS3, and JavaScript - Adding Event Listeners

Modern Web Design with HTML5, CSS3, and JavaScript - Adding Event Listeners

Assessment

Interactive Video

Information Technology (IT), Architecture, Other

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial covers the basics of using JavaScript to manipulate HTML elements. It begins with selecting elements using querySelector and applying styles to them. The tutorial then explains how to add event listeners to elements, handle events, and use event objects. Advanced techniques such as toggling classes and preventing default actions are also discussed. The video concludes with a focus on mouse events, including mouse enter, leave, down, and up, providing a comprehensive overview of event handling in JavaScript.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is used to select all elements with a specific class in JavaScript?

getElementById

querySelector

getElementsByTagName

querySelectorAll

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which style property is used to make elements appear like buttons?

padding

font-size

border

background-color

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of an event listener in JavaScript?

To handle user interactions

To validate forms

To style elements

To load external scripts

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to add an event listener to an element?

addEventListener

bindEvent

setEventListener

attachEvent

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property of the event object contains the element that triggered the event?

eventLocation

eventPath

eventTarget

eventType

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you prevent the default action of an event in JavaScript?

haltEvent()

stopPropagation()

preventDefault()

cancelEvent()

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is used to toggle a class on an element?

setClass

classList.toggle

changeClass

toggleClass

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