What happens if you use document.write() after the document has finished loading?

It overwrites the entire document

It appends content to the document

How can you change the font size of an HTML element using JavaScript?

document.getElementById('demo').style.fontSize='35px'

document.getElementById('demo').fontSize='35px'

document.getElementById('demo').changeFontSize('35px')

document.getElementById('demo').setFontSize('35px')

What does the console.log() method do?

Writes data to the browser console

Changes the content of an HTML element

Which of the following is a correct way to change the source of an image using JavaScript?

document.getElementById('myImage').src='newImage.jpg'

document.getElementById('myImage').changeSrc('newImage.jpg')

document.getElementById('myImage').updateSrc('newImage.jpg')

document.getElementById('myImage').setSrc('newImage.jpg')

What is the purpose of the innerText property?

To change the plain text of an element

To change the style of an element

To change the attributes of an element

What is the correct syntax to create a function in JavaScript?

create function myFunction() {}

What does the window.print() method do?

Prints the document source code

What is the main advantage of using external JavaScript files?

They are easier to read and maintain

They can only be used in one HTML file

They increase the size of the HTML file

How can you access an HTML element in JavaScript?

Using document.getElementById()

Using document.getElementByClass()

Using document.getElementByTag()

What is the purpose of the type attribute in the tag?

To indicate the script language

Which of the following is a correct way to change the display style of an element to 'none'?

document.getElementById('demo').changeDisplay('none')

document.getElementById('demo').setDisplay('none')

JavaScript Quiz

Quiz

•

Computers

•

University

•

Practice Problem

•

Easy

Art Magpantay

Used 1+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is JavaScript primarily used for?

Designing graphics

Managing server-side operations

Programming the behavior of web pages

Creating databases

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a language that all web developers must learn?

CSS

HTML

Python

JavaScript

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is used to change the content of an HTML element in JavaScript?

setContent()

changeContent()

getElementById()

modifyElement()

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the innerHTML property do?

Changes the style of an element

Changes the content of an element

Changes the attribute of an element

Changes the ID of an element

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a correct way to hide an HTML element using JavaScript?

document.getElementById('demo').style.remove()

document.getElementById('demo').style.display='none'

document.getElementById('demo').style.visibility='hidden'

document.getElementById('demo').style.opacity='0'

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where should JavaScript code be placed in an HTML document?

Only in the section

Between tags

In a separate HTML file

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt