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

Answer & Solution

Answer: Option A
Solution:
To change the font size of an HTML element using JavaScript, you can use the element.style.fontSize property and set it to the desired font size value (e.g., '16px'). This inline style modification directly affects the font size of the specified element on the webpage.
Related Questions on Average

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

A). Use the element.style.fontFamily property to set the desired font family

B). Use the element.fontFamily = 'fontName'; property to directly modify the element's font family

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

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

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 hide an HTML element from the user interface using JavaScript?

A). element.style.display = 'none';

B). element.style.visibility = 'hidden';

C). element.visible = false;

D). element.style.opacity = 0;

How can you dynamically change the background color of an HTML element based on user actions using JavaScript?

A). Use event listeners like addEventListener to detect user actions and update the element's background color

B). Use inline JavaScript in the HTML element's onclick attribute to change the background color

C). Use the onHover event directly in the HTML element's tag to change the background color

D). Use the element.background = 'color'; property in JavaScript to directly modify the element's background color

How can you change the background color of an HTML element using JavaScript?

A). element.style.backgroundColor = 'red';

B). element.background = 'red';

C). element.bgColor = 'red';

D). element.color = 'red';

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

A). click

B). hover

C). submit

D). change

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

How can you change the text color of an HTML element using JavaScript?

A). element.style.color = 'blue';

B). element.textColor = 'blue';

C). element.style.textColor = 'blue';

D). element.color = 'blue';

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)