The Art of Doing - Web Development for Beginners - Using getElementById()

This video tutorial introduces the JavaScript Document Object Model (DOM) and demonstrates how to manipulate HTML elements using JavaScript. It covers setting up HTML files, using the getElementById method to access elements, creating and appending new elements, and the differences between innerText and innerHTML. The tutorial also explains how to access elements by class name and modify their attributes, providing a comprehensive introduction to DOM manipulation.

What is the purpose of the 'defer' attribute in a script tag?

• To load the script before the HTML

• To delay script execution until the page has loaded

• To execute the script immediately

• To prevent the script from running

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

• To manage server-side operations

• To style HTML elements

• To provide an interface for HTML pages

• To store JavaScript functions

Which method is used to access an HTML element by its unique identifier?

• getElementByClassName

• querySelector

• getElementById

• getElementsByTagName

What does the 'getElementById' method return?

• A string representation of the element

• A single HTML element

• A NodeList of elements

• An array of elements

How can you create a new HTML element using JavaScript?

• document.createElement()

• document.newElement()

• document.addElement()

• document.appendChild()

Which method would you use to remove an HTML element?

• delete()

• deleteElement()

• removeElement()

• remove()

Which method allows you to add new elements to an existing HTML element?

• addElement()

• createElement()

• appendChild()

• insertElement()

What is the difference between 'innerText' and 'innerHTML'?

• 'innerText' can include HTML tags, 'innerHTML' cannot

• Both can include HTML tags

• Neither can include HTML tags

• 'innerHTML' can include HTML tags, 'innerText' cannot

What is the result of using 'innerText' to set content with HTML tags?

• The tags are rendered as HTML

• The tags are displayed as plain text

• The tags are ignored

• The tags cause an error

How can you change the style of an HTML element using JavaScript?

• element.changeStyle()

• element.setStyle()

• element.style.property

• element.style.setAttribute()