Modern Web Design with HTML5, CSS3, and JavaScript - Creating a Single-page Website with Scrollspy

The video tutorial explains how to implement a scroll spy feature on single-page websites using CSS, JavaScript, and jQuery. It covers the steps to add scroll spy to the navigation bar, ensuring active sections are highlighted as users scroll. The tutorial also demonstrates how to achieve smooth scrolling using jQuery, emphasizing the need for the full jQuery library for animations. The integration of JavaScript and jQuery is detailed, with a focus on selecting elements, adding event listeners, and preventing default actions. Finally, the video discusses testing and finalizing the implementation.

What is the primary purpose of using Scroll Spy on a single-page website?

• To track user activity

• To improve website loading speed

• To highlight the current section in the navigation bar

• To enhance the visual design

Which attribute is added to the body tag to enable Scroll Spy?

• data-scroll

• data-spy

• data-target

• data-active

What is an alternative method to using HTML attributes for implementing Scroll Spy?

• Using CSS animations

• Using JavaScript and jQuery

• Using HTML5 data attributes

• Using server-side scripting

Why is the full version of jQuery required for smooth scrolling?

• It includes additional CSS styles

• It is faster than the slim version

• It supports more HTML elements

• It contains animation functions not available in the slim version

What is the purpose of using the 'animate' function in jQuery?

• To load external scripts

• To validate form inputs

• To perform custom animations like smooth scrolling

• To change the color of elements

How can you prevent the default action of a hyperlink in jQuery?

• By using the 'stop' method

• By using the 'preventDefault' method

• By using the 'halt' method

• By using the 'cancel' method

What does the 'offset top' value represent in jQuery?

• The width of an element

• The height of an element

• The pixel position of an element from the top of the page

• The distance between two elements

How can you update the URL to reflect the current section after scrolling?

• By using the 'hash.update' function

• By using the 'window.location.hash' property

• By using the 'document.updateURL' method

• By using the 'location.reload' method

What is the recommended duration for smooth scrolling to ensure a good user experience?

• 500 milliseconds

• 1 second

• 2 seconds

• 3 seconds

What is the effect of using a CDN for jQuery?

• It allows faster loading if the library is cached

• It decreases the website's security

• It increases the website's loading time

• It requires more server resources