Modern Web Design with HTML5, CSS3, and JavaScript - append() and prepend() Methods

The video tutorial explains how to add elements to the DOM using JavaScript. It covers selecting parent elements, creating new elements, and using methods like append and appendChild. The differences between these methods are discussed, including their handling of node objects and return values. The tutorial also introduces the prepend method and demonstrates how to handle errors when using appendChild with non-node objects.

What is the first step in adding a new element to the DOM?

• Refresh the page

• Create a new document

• Select the parent element

• Style the new element

Which method allows you to append both node objects and DOM strings?

• appendChild

• append

• createElement

• querySelector

What will happen if you try to append a string using appendChild?

• It will convert the string to a node

• It will throw an error

• It will append successfully

• It will ignore the string

What does the appendChild method return?

• The appended node

• The parent node

• A boolean value

• Undefined

How does append differ from appendChild in terms of adding multiple elements?

• append allows multiple elements, appendChild does not

• Both allow multiple elements

• Neither allows multiple elements

• appendChild allows multiple elements, append does not

What is the main function of the prepend method?

• Add elements to the beginning of a parent

• Remove elements from a parent

• Replace elements in a parent

• Add elements to the end of a parent

Which method would you use to add an element to the start of a parent element?

• append

• prepend

• appendChild

• createElement