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

Answer & Solution

Answer: Option B
Solution:
Using CSS classes to show 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

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

A). element.style.display = 'visible';

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

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

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

How can you show an HTML element using JavaScript by modifying its CSS properties?

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

B). element.visibility = 'visible';

C). element.style.display = 'visible';

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

How can you show multiple HTML elements using JavaScript by adding a CSS class with visible properties?

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

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

C). element.style.display = 'block';

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

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

A). element.style.display = 'visible';

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

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

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

How can you dynamically show an HTML element using JavaScript based on user interaction?

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

B). element.style.display = 'visible';

C). element.show();

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

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

A). element.style.display = 'visible';

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

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

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

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

A). Use the setAttribute() method to set display: block;.

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

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 is a common approach to showing a hidden HTML element by adding or removing CSS classes in JavaScript?

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

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

C). element.style.display = 'block';

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

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

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

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

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

D). It becomes visible without affecting its layout position.

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

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

B). element.visibility = 'visible';

C). element.style.display = 'visible';

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