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

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 change the font size of an HTML element using JavaScript?

A). element.style.fontSize = '16px';

B). element.style.font = '16px';

C). element.fontSize = '16px';

D). element.font = '16px';

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 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 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 the classList property in JavaScript?

A). To access and manipulate the CSS classes of an HTML element

B). To access and modify the text content of an HTML element

C). To access and modify the value of an input element

D). To access and modify the URL of an anchor element

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

How can you dynamically change the CSS style of an HTML element using JavaScript?

A). Use the style property of the element to modify CSS styles

B). Use the setStyle() method to apply CSS styles to the element

C). Use inline CSS within the HTML element's tag to specify styles

D). Use external CSS files and link them to the HTML document

What does the removeChild() method do in JavaScript?

A). Removes a specified child node from an existing element in the DOM

B). Appends a new child node to an existing element in the DOM

C). Replaces an existing child node with a new node in the DOM

D). Creates a new parent node for an existing child node in the DOM

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)