Modern JavaScript from the Beginning - Second Edition - Document Element Properties

The video tutorial covers the Document Object Model (DOM) and its properties, focusing on how to access and manipulate elements using JavaScript. It introduces a shopping list application UI to demonstrate these concepts. The tutorial explains deprecated properties like document.all, accessing elements by index, and using methods like getElementById and querySelector. It also covers accessing and modifying forms, links, images, and CSS classes, and converting HTML collections to arrays for easier manipulation.

What is the primary purpose of the Document Object Model (DOM) in web development?

• To style web pages using CSS

• To store data on the server

• To structure web pages using HTML

• To manipulate web page content dynamically using JavaScript

Which of the following is NOT a method to select elements in the DOM?

• getElementById

• querySelector

• document.all

• getElementsByClassName

What is the main reason the shopping list application UI is not functioning?

• It lacks JavaScript functionality

• It lacks CSS styling

• It lacks HTML structure

• It lacks a server connection

Why is the document.all property considered deprecated?

• It is not supported by modern browsers

• It is not a standard method for accessing elements

• It is too complex to use

• It is only available in Internet Explorer

What does the document.children property return?

• All scripts in the document

• Direct children of the document's body

• All elements in the document

• All styles in the document

Which property would you use to get the character encoding of a document?

• document.encoding

• document.charset

• document.type

• document.format

What is the output of document.forms.length if there are no forms in the document?

• null

• undefined

• 1

• 0

How can you convert an HTMLCollection to an array?

• Using Array.from()

• Using toArray()

• Using Array.convert()

• Using Array.prototype

What is a key difference between an HTMLCollection and a NodeList?

• HTMLCollection is an array, NodeList is not

• HTMLCollection can use forEach, NodeList cannot

• HTMLCollection is live, NodeList is static

• HTMLCollection is static, NodeList is live

Which method allows you to loop through a NodeList?

• filter

• map

• forEach

• reduce