Q
What is the advantage of using CSS classes to hide HTML elements compared to inline styles in JavaScript?

Answer & Solution

Answer: Option B
Solution:
Using CSS classes to hide HTML elements in JavaScript offers the advantage of better separation of concerns and reusability. CSS classes can be defined once and applied to multiple elements, improving code maintainability and reducing redundancy.
Related Questions on Average

What happens to an HTML element when its display property is set to 'none' using JavaScript?

A). It is removed from the DOM.

B). It becomes invisible but still occupies space in the layout.

C). It becomes visible but disabled.

D). It becomes hidden but still interacts with the layout.

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 style properties?

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

B). Use the setStyle() method to set visibility: hidden;.

C). Use the removeAttribute() method to remove the element from the DOM.

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 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.

How can you hide an HTML element using JavaScript without modifying its CSS properties directly?

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

B). Use the setStyle() method to set visibility: hidden;.

C). Use the removeAttribute() method to remove the element from the DOM.

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

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 toggling its visibility state?

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

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

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

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

How can you hide an HTML element using JavaScript by modifying its display property in an external CSS file?

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');

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';