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 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 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 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 properties?
A). element.style.visibility = 'visible';
B). element.visibility = 'visible';
C). element.style.display = 'visible';
D). element.style.display = 'block';
How can you show an HTML element using JavaScript by modifying its display property in an external CSS file?
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 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 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 happens to an HTML element when its visibility property is set to 'visible' using JavaScript?
A). It becomes invisible but still occupies space in the layout.
B). It becomes visible without affecting its layout position.
C). It is removed from the DOM.
D). It becomes hidden but still interacts with the layout.
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.