Modern Web Design with HTML5, CSS3, and JavaScript - Setting the Element Attribute Updates Using JavaScript Code

This video tutorial covers the use of HTML image tags and how to manipulate them using JavaScript. It explains how to select images with specific classes, update their attributes, and use conditional logic to apply different changes based on class names. Additionally, it demonstrates how to update hyperlinks in HTML using JavaScript, including setting attributes like href and target.

What is the purpose of adding a 'dummy' class to image tags?

• To style the images with CSS

• To prevent images from being displayed

• To identify images for special processing

• To make images load faster

Which JavaScript method is used to select all image elements on a page?

• getElementById

• querySelector

• querySelectorAll

• getElementsByClassName

How can you check if an image element has a specific attribute?

• Using the removeAttribute method

• Using the getAttribute method

• Using the setAttribute method

• Using the hasAttribute method

What is the purpose of using a ternary operator in updating image sources?

• To simplify conditional logic

• To loop through elements

• To select elements by class

• To log elements to the console

What happens to images with the class 'dummy' during the update process?

• They are removed from the page

• They are given a new CSS style

• They have the word 'dummy' added to their source

• They are ignored in the update process

How can you ensure a hyperlink opens in a new tab using JavaScript?

• Set the href attribute to '_blank'

• Set the target attribute to '_blank'

• Use the open method

• Use the close method

What is the assignment task related to hyperlinks in this lesson?

• To change the color of all hyperlinks

• To add a new hyperlink to the page

• To update the Google link to a favorite website

• To remove all hyperlinks from the page