Q
How can you dynamically change the font family of an HTML element using JavaScript?

Answer & Solution

Answer: Option A
Solution:
To dynamically change the font family of an HTML element using JavaScript, you can use the element.style.fontFamily property and set it to the desired font family name. For example, element.style.fontFamily = 'Arial, sans-serif'; changes the font family of the element to Arial with a fallback to sans-serif, ensuring a consistent font style across different browsers.
Related Questions on Average

Which JavaScript event is triggered when a user clicks on an HTML element?

A). click

B). hover

C). submit

D). change

What does the removeChild() method do in JavaScript?

A). Removes a specified child node from an existing element in the DOM

B). Appends a new child node to an existing element in the DOM

C). Replaces an existing child node with a new node in the DOM

D). Creates a new parent node for an existing child node in the DOM

How can you dynamically add a new paragraph element to an HTML document using JavaScript?

A). document.createElement('p') followed by appendChild()

B). document.getElementById('newParagraph').textContent = 'New Paragraph';

C). document.querySelector('p').innerText = 'New Paragraph';

D). document.innerHTML = '<p>New Paragraph</p>';

Which JavaScript method is used to replace one HTML element with another in the DOM?

A). replaceChild()

B). replaceElement()

C). replaceNode()

D). element.replaceWith()

How can you add a CSS class to an HTML element using JavaScript?

A). element.classList.add('className');

B). element.className = 'className';

C). element.style.class = 'className';

D). element.addClass('className');

Which JavaScript method is commonly used to create a new HTML element dynamically?

A). document.createElement()

B). document.appendElement()

C). document.makeElement()

D). document.createNode()

Which JavaScript property is used to change the source (URL) of an image element?

A). src

B). url

C). href

D). source

How can you dynamically change the CSS style of an HTML element using JavaScript?

A). Use the style property of the element to modify CSS styles

B). Use the setStyle() method to apply CSS styles to the element

C). Use inline CSS within the HTML element's tag to specify styles

D). Use external CSS files and link them to the HTML document

How can you remove an HTML element from the DOM using JavaScript?

A). element.remove()

B). element.removeChild()

C). element.delete()

D). document.removeElement(element)

What is the purpose of the classList property in JavaScript?

A). To access and manipulate the CSS classes of an HTML element

B). To access and modify the text content of an HTML element

C). To access and modify the value of an input element

D). To access and modify the URL of an anchor element