How can you dynamically change the background color of an HTML element based on user actions using JavaScript?
A). Use event listeners like addEventListener to detect user actions and update the element's background color
B). Use inline JavaScript in the HTML element's onclick attribute to change the background color
C). Use the onHover event directly in the HTML element's tag to change the background color
D). Use the element.background = 'color'; property in JavaScript to directly modify the element's background color
Which JavaScript property is used to change the source (URL) of an image element?
A). src
B). url
C). href
D). source
How can you dynamically add a new paragraph element to an HTML document using JavaScript?
A). document.createElement('p') followed by appendChild()
B). document.getElementById('newParagraph').textContent = 'New Paragraph';
C). document.querySelector('p').innerText = 'New Paragraph';
D). document.innerHTML = '<p>New Paragraph</p>';
Which JavaScript method is used to replace one HTML element with another in the DOM?
A). replaceChild()
B). replaceElement()
C). replaceNode()
D). element.replaceWith()
How can you hide an HTML element from the user interface using JavaScript?
A). element.style.display = 'none';
B). element.style.visibility = 'hidden';
C). element.visible = false;
D). element.style.opacity = 0;
Which JavaScript event is triggered when a user clicks on an HTML element?
A). click
B). hover
C). submit
D). change
How can you remove an HTML element from the DOM using JavaScript?
A). element.remove()
B). element.removeChild()
C). element.delete()
D). document.removeElement(element)
How can you change the text color of an HTML element using JavaScript?
A). element.style.color = 'blue';
B). element.textColor = 'blue';
C). element.style.textColor = 'blue';
D). element.color = 'blue';
How can you dynamically change the font family of an HTML element using JavaScript?
A). Use the element.style.fontFamily property to set the desired font family
B). Use the element.fontFamily = 'fontName'; property to directly modify the element's font family
C). Use inline CSS within the HTML element's tag to specify the font family
D). Use external CSS files and link them to the HTML document
How can you add a CSS class to an HTML element using JavaScript?
A). element.classList.add('className');
B). element.className = 'className';
C). element.style.class = 'className';
D). element.addClass('className');