The Front-End Web Developer Bootcamp - HTML, CSS, JS, and React - Parent Nodes

The video tutorial explores DOM traversal methods, focusing on understanding parent and child elements within the DOM model. It provides a practical example using VS Code to demonstrate how to select elements and apply styles. The tutorial also delves into the parent node method, explaining how it identifies elements without parents, such as the HTML root element.

What is the relationship between the header, section, and footer elements in the DOM model?

• They are all parent elements.

• They are child elements of the body and siblings to each other.

• They are all root elements.

• They are unrelated elements.

In the context of DOM traversal, what does the 'getElementById' method do?

• It retrieves all elements with a specific attribute.

• It retrieves an element by its class name.

• It retrieves an element by its tag name.

• It retrieves an element by its ID.

What happens if you try to style an element with an incorrect ID using JavaScript?

• The browser will display an error message.

• The style will be applied to the wrong element.

• The script will crash.

• No style will be applied.

What is the purpose of the 'parentNode' method in DOM traversal?

• To find the parent of an element.

• To find the last child of an element.

• To find the first child of an element.

• To find all siblings of an element.

Which element in the DOM does not have a parent?

• The body element

• The header element

• The HTML element

• The footer element