Q
How can you hide an HTML element using JavaScript by modifying its CSS class?

Answer & Solution

Answer: Option C
Solution:
You can hide an HTML element using JavaScript by modifying its CSS class. For example, element.classList.add('hidden'); will apply the hidden properties defined in the CSS class to hide the element.
Related Questions on Average

How can you dynamically hide an HTML element using JavaScript based on a button click event?

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

B). element.display = 'none';

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

D). element.visibility = 'hidden';

How can you hide an HTML element using JavaScript by modifying its visibility property?

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

B). element.visibility = 'hidden';

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

D). element.style.display = 'hidden';

How can you hide an HTML element using JavaScript by modifying its inline style directly?

A). element.setAttribute('style', 'display: none;');

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

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

D). element.display = 'none';

Which property is commonly used in JavaScript to hide an HTML element without removing its space in the layout?

A). visibility

B). hidden

C). display

D). none

How can you hide an HTML element using JavaScript without directly modifying its CSS or inline styles?

A). Use the classList property to add a class with hidden properties.

B). Use the setAttribute() method to set display: none;.

C). Use the style property to set visibility: hidden;.

D). Use the toggle() method to toggle between visible and hidden states.

What does setting the CSS visibility property to 'hidden' do to an HTML element?

A). It completely removes the element from the layout.

B). It hides the element without affecting its layout position.

C). It makes the element transparent but still visible.

D). It disables the element but keeps it visible in the layout.

How can you hide an HTML element using JavaScript by applying an external CSS class?

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

B). Add an external CSS file to the HTML document and link it.

C). Use the classList property to add a class with hidden properties.

D). element.classList.add('hidden');

Which JavaScript method is commonly used to hide an HTML element by adding a CSS class with hidden properties?

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

B). element.classList.add('hidden');

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

D). element.classList.toggle('hidden');

How can you hide an HTML element using JavaScript without affecting its layout position?

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

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

C). element.style.position = 'absolute';

D). element.style.opacity = '0';

How can you hide an HTML element using JavaScript by toggling its visibility state?

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

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

C). element.style.visibility = 'toggle';

D). element.toggle('hidden');