Modern JavaScript from the Beginning - Second Edition - Create and Append Elements

The video tutorial covers DOM manipulation in JavaScript, focusing on creating, modifying, and appending elements. It explains how to create elements using createElement, add attributes like class and ID, and insert text using innerText and createTextNode. The tutorial also demonstrates appending elements to the DOM with appendChild. A challenge is presented to apply these concepts by inserting an item with text and a button.

What is the primary purpose of creating DOM elements dynamically in JavaScript?

• To allow user interaction and dynamic content updates

• To reduce server load

• To improve page load speed

• To enhance security

Which method is used to create a new DOM element in JavaScript?

• createNode

• createElement

• newElement

• generateElement

How can you add a class attribute to a newly created DOM element?

• element.addClass('className')

• element.className = 'className'

• element.addClassName('className')

• element.setAttribute('class', 'className')

What is the recommended method to add text to a newly created DOM element?

• Creating a text node and appending it

• Using innerText

• Using innerHTML

• Using outerText

What is the function of the appendChild method in JavaScript?

• It appends a child element to a parent element

• It replaces a child element

• It duplicates a child element

• It removes a child element

Where can you append a newly created element using appendChild?

• Only at the beginning of the document

• Only at the end of the document

• Only within a specific div

• Anywhere within the document

What is the result of appending a new element to the body of the document?

• The element is not added to the body

• The element is added in the middle of the body

• The element is added at the bottom of the body

• The element is added at the top of the body