jQuery Optimization and Element Selection Quiz

• jQuery is a popular library used by many websites
• Using jQuery without optimization can slow down the DOM
• Sizzle is a popular jQuery selector library that provides more sophisticated methods for element selection
• When selecting ids, use # as the prefix to the id name, and when selecting classes, use . as the prefix
• The hierarchy of specificity determines which style declaration is applied to an element
• When using Sizzle, go more specific on the rightmost side and less specific on the left to optimize performance
• jQuery is a library that helps with web development.
• jQuery is highly extensible and has a simple API.
• jQuery is designed for maximum efficiency and is easy to interpret.
• jQuery is independent of other libraries, and most of its selectors perform competitively.
• jQuery is highly compressible, and it is easy to add new selectors.

Test your knowledge on jQuery optimization, element selection, and the use of Sizzle for more sophisticated methods. Learn about improving performance and understanding the hierarchy of specificity in web development.