What is the advantage of using the classList property to hide 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.
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.
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 JavaScript method is commonly used to hide an HTML element by adding a CSS class with hidden properties?
A). element.style.visibility = 'hidden';
B). element.classList.add('hidden');
C). element.style.display = 'none';
D). element.classList.toggle('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 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');
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.
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 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';
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.