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

Answer & Solution

Answer: Option D
Solution:
You can show an HTML element using JavaScript by applying an external CSS class with visible properties. For example, element.classList.add('visible'); will apply the visible properties defined in the external CSS class to show the element.
Related Questions on Average

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

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

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

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

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

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');

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

A). It allows for more granular control and better readability.

B). It provides better performance and faster execution.

C). It simplifies code structure and improves cross-browser compatibility.

D). It increases code complexity and maintenance.

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

A). element.setAttribute('style', 'display: block;');

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

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

D). element.display = 'block';

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 affecting its layout position?

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

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

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

D). element.style.opacity = '1';

How can you show an HTML element using JavaScript by setting its display property to 'block' in an external CSS file?

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

B). Link the HTML file to an external CSS file with a class that sets display: block;.

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

D). element.display = 'block';

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');