Q
What is the advantage of using the classList property to hide HTML elements compared to directly modifying CSS properties?

Answer & Solution

Answer: Option A
Solution:
Using the classList property to hide HTML elements in JavaScript offers the advantage of more granular control and better readability. It allows for adding, removing, or toggling classes, which is often more expressive and easier to understand than directly modifying CSS properties.
Related Questions on Average

How can you hide an HTML element using JavaScript by setting its display property to 'none' in an external CSS file?

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

B). Link the HTML file to an external CSS file with a class that sets display: none;.

C). Import the external CSS file using JavaScript and apply it to the element.

D). element.display = 'none';

How can you hide an HTML element using JavaScript without affecting its space in the layout?

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';

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 by modifying its CSS display property?

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

B). element.display = 'none';

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

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

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 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');

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

A). Inline styles provide more flexibility in hiding elements.

B). CSS classes allow for better separation of concerns and reusability.

C). Inline styles offer better performance in hiding elements.

D). CSS classes increase code complexity and maintenance.

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 modifying its 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');