Mastering CSS3 Selectors (Video 4)

This video tutorial explores the world of CSS selectors, focusing on attribute selectors available in CSS2 and their transition to CSS3. It covers the basics of attribute selectors, their advanced usage, and how they simplify code complexity. The tutorial also delves into hierarchy and dash-separated lists, providing practical examples and insights into their application. The session concludes with a transition to CSS3, setting the stage for further exploration in the next lecture.

What is the main focus of CSS S3 in relation to selectors?

• Improving browser compatibility

• Enhancing attribute selectors

• Introducing new color schemes

• Simplifying HTML structure

How do attribute selectors help in reducing code complexity?

• By allowing selection based on attributes

• By minimizing the use of JavaScript

• By reducing the number of HTML elements

• By simplifying CSS syntax

Which attribute prefix is used in HTML5 to create custom data attributes?

• html-

• attr-

• data-

• custom-

What is the purpose of using a squiggly line (~) in attribute selectors?

• To match attribute values containing whitespace-separated words

• To apply styles to all child elements

• To select elements with multiple classes

• To match exact attribute values

How can you select an element with a specific attribute value in CSS?

• Using a class selector

• Using an ID selector

• Using an attribute selector with a value

• Using a universal selector

What is the significance of the pipe (|) symbol in attribute selectors?

• It matches elements with a specific class

• It matches all elements with a specific tag

• It matches elements with a specific ID

• It matches elements with a specific attribute value in a hyphen-separated list

In the context of attribute selectors, what does the term 'hierarchy' refer to?

• The order of CSS rules

• The nesting of HTML elements

• The structured relationship of attribute values

• The sequence of JavaScript functions

Which CSS version introduced attribute selectors?

• CSS S1

• CSS S2

• CSS S3

• CSS S4

What is a potential limitation of using attribute selectors with hyphen-separated values?

• They require exact matches for each segment

• They increase the complexity of HTML

• They are not supported in modern browsers

• They cannot be used with JavaScript

What is a common use case for custom data attributes in HTML?

• To style elements with CSS

• To store extra information for JavaScript

• To define new HTML tags

• To replace existing HTML attributes