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

How can you dynamically change the text content of an HTML element based on user input using JavaScript?

A). Use event listeners like addEventListener to detect input changes and update the element's text content

B). Use inline JavaScript in the HTML element's onclick attribute to update the text content

C). Use the onChange event directly in the HTML element's tag to update the text content

D). Use the inputValue property in JavaScript to directly modify the element's text content

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

A). replaceChild()

B). replaceElement()

C). replaceNode()

D). element.replaceWith()

What is the purpose of the setAttribute() method in JavaScript?

A). To set or change the value of an attribute on an HTML element

B). To set or change the text content of an HTML element

C). To set or change the source (URL) of an image element

D). To set or change the background color of an HTML element

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

A). element.style.fontSize = '16px';

B). element.style.font = '16px';

C). element.fontSize = '16px';

D). element.font = '16px';

What does the appendChild() method do in JavaScript?

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

B). Removes a child node from 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

Which JavaScript method allows you to change the text content of an HTML element?

A). innerHTML

B). setAttribute

C). textContent

D). createElement

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

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

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

A). click

B). hover

C). submit

D). change