Knowing how to add class and ID attributes to HTML elements, as well as use their respective selectors, is invaluable. It's important to practice using them. There are several elements in the HTML ...

A class can be used more the once. You're not supposed to give multiple elements the same ID ...

Knowing how to add class and ID attributes to HTML elements, as well as use their respective selectors, is invaluable. It's important to practice using them. There are several elements in the HTML ...

1. Be descriptive: Use names that clearly describe the purpose or function of the class or ID. 2. Keep it short and simple: Use short, easy-to-remember names that are not too complex or confusing.

Ryan Boudreaux continues his tutorial on getting acquainted with jQuery by showing you how to get objects by ID and Class selectors and by Tag and Attribute.