HTML CSS and JavaScript for Beginners - A Web Design Course - Eventlisteners JavaScript

The video tutorial explains the importance of separating JavaScript from HTML for cleaner code. It demonstrates how to use query selectors to grab elements by ID and add event listeners for interaction. The tutorial emphasizes the benefits of clean and reusable code and shows how to make divisions function as buttons with appropriate styling.

Why is it recommended to separate JavaScript from HTML?

• To make the code more readable and maintainable

• To prevent JavaScript from running

• To increase the file size

• To make HTML files more complex

What is the purpose of using an ID in HTML elements?

• To make the element invisible

• To style the element with CSS

• To uniquely identify and manipulate the element with JavaScript

• To increase the element's size

What does an event listener in JavaScript do?

• It changes the color of an element

• It listens for specific events and executes code in response

• It deletes HTML elements

• It creates new HTML elements

How can you make a division element function like a button?

• By changing its tag to a button

• By adding a hover effect

• By removing all CSS styles

• By adding a click event listener and styling it appropriately

What is a key benefit of separating JavaScript from HTML?

• It makes the website slower

• It prevents JavaScript from executing

• It makes the HTML file larger

• It allows for the same JavaScript code to be reused across multiple pages