Q
What does the appendChild() method do in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The appendChild() method in JavaScript is used to append a new child node to an existing element in the DOM. This method adds the specified node as the last child of the specified parent element, effectively extending the DOM structure with new content.
Related Questions on Average

What is the purpose of the setAttribute() method in JavaScript?

A). To set or change the value of an attribute on an HTML element

B). To set or change the text content of an HTML element

C). To set or change the source (URL) of an image element

D). To set or change the background color of an HTML element

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 background color of an HTML element using JavaScript?

A). element.style.backgroundColor = 'red';

B). element.background = 'red';

C). element.bgColor = 'red';

D). element.color = 'red';

What is the purpose of using the innerHTML property in JavaScript?

A). To set or retrieve the HTML content of an element, including its descendants

B). To set or retrieve the text content of an element, including its descendants

C). To set or retrieve the value of an input element

D). To set or retrieve the URL of an anchor element

Which JavaScript method is commonly used to create a new HTML element dynamically?

A). document.createElement()

B). document.appendElement()

C). document.makeElement()

D). document.createNode()

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 allows you to change the text content of an HTML element?

A). innerHTML

B). setAttribute

C). textContent

D). createElement

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;

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 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';