Modern Web Design with HTML5, CSS3, and JavaScript - Removing a Child node from JavaScript

The video tutorial explains how to manipulate the DOM using JavaScript, focusing on removing child nodes. It starts with setting up an HTML structure with parent and nested divs. The tutorial then demonstrates selecting elements using querySelector and removing them with the removeChild method. It also covers handling node lists and removing all child elements from a parent node using a loop.

What is the primary purpose of the removeChild method in JavaScript?

• To clone a child node

• To remove a child node from the DOM and return it

• To add a new child node to the DOM

• To update the content of a child node

Which method is used to select an element with a specific class in JavaScript?

• querySelectorAll

• querySelector

• getElementById

• getElementsByClassName

What happens when you console log a removed element?

• It shows the parent element

• It returns null

• It shows an error

• It shows the element object

What does the querySelectorAll method return?

• A string of element names

• A node list of elements

• An array of elements

• A single element

Which method allows you to select multiple elements at once?

• getElementsByTagName

• getElementById

• querySelector

• querySelectorAll

How can you remove all child elements from a parent element in JavaScript?

• By using getElementById

• By setting innerHTML to an empty string

• By using querySelectorAll

• By using removeChild in a loop

What is the difference between a node and an element in the context of the DOM?

• Nodes cannot be removed

• Elements are a type of node

• Elements are not part of the DOM

• Nodes are always elements