The Modern JavaScript Bootcamp (2019) - DOM Manipulation

This video tutorial introduces the Document Object Model (DOM) and demonstrates how to manipulate HTML documents using JavaScript. It covers basic and advanced DOM manipulations, including querying and removing elements, as well as reading and writing text content. The tutorial explains the importance of the DOM in web development and provides practical examples of how to use JavaScript to interact with HTML elements.

What does DOM stand for in web development?

• Dynamic Object Module

• Document Object Model

• Document Order Method

• Data Object Management

Which method is used to select a single element in the DOM?

• querySelectorAll

• getElementById

• querySelector

• getElementsByClassName

Why might a script not have access to certain DOM elements when executed?

• The script is too complex

• The elements are not yet parsed

• The script is in a different file

• The elements are hidden

How can you ensure a script runs after all DOM elements are loaded?

• Place the script in the head

• Use async attribute

• Place the script at the end of the body

• Use defer attribute

What does the 'remove' method do in DOM manipulation?

• Removes an element from the DOM

• Deletes a file

• Removes a class from an element

• Clears the console

Which method allows you to select all matching elements in the DOM?

• getElementById

• querySelector

• getElementsByTagName

• querySelectorAll

What is the purpose of the 'forEach' method in DOM manipulation?

• To iterate over an array of elements

• To find a specific element

• To remove an element

• To add a new element

How can you read the text content of a DOM element?

• Using innerHTML

• Using readText

• Using textContent

• Using getText

What property would you use to change the text of a DOM element?

• innerHTML

• textContent

• value

• text

What is a common use of the DOM in web development?

• To manipulate HTML elements dynamically

• To style HTML

• To compile JavaScript

• To store data