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

Answer & Solution

Answer: Option B
Solution:
You can show an HTML element using JavaScript by modifying its display property in an external CSS file. For example, define a CSS class in the external file with display: block; and apply this class to the element to show it.
Related Questions on Average

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';

Which JavaScript method is commonly used to show an HTML element 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 modifying its visibility property?

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

B). element.visibility = 'visible';

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

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

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.

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

A). Inline styles provide better performance.

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

C). Inline styles offer more flexibility in showing elements.

D). CSS classes increase code complexity and maintenance.

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 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 without affecting its layout position?

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

B). element.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';

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.