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

Answer & Solution

Answer: Option A
Solution:
The removeChild() method in JavaScript is used to remove a specified child node from an existing element in the DOM. This method removes the specified child node from the parent element, effectively detaching it from the document structure.
Related Questions on Average

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 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

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

Which JavaScript method is used to replace one HTML element with another in the DOM?

A). replaceChild()

B). replaceElement()

C). replaceNode()

D). element.replaceWith()

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 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 remove an HTML element from the DOM using JavaScript?

A). element.remove()

B). element.removeChild()

C). element.delete()

D). document.removeElement(element)

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 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