"jQuery高级学习：动画、事件绑定与插件"

"Day 21 of the JQuery Advanced Teaching Plan focuses on several key learning objectives, including mastering shell programming, understanding various ways of jQuery event binding, completing a case study on raffle drawing, familiarizing with jQuery plugins, and mastering jQuery animation functions and traversal methods. The course content covers jQuery animation, traversal, event binding, element display and hiding, implementation of a raffle case study, and jQuery plugin mechanisms. The first lesson introduces the knowledge points of the day, beginning with a detailed overview of today's content. The video details the intricacies of jQuery animation, providing a comprehensive understanding of the various animation functions. It also covers three different methods for showing and hiding elements, including the default method using the `show()` function with parameters for speed, easing, and callback function. The teaching plan includes no additional summary or supplementary materials for this section. However, it includes classroom questions and exercises for students to engage with the content. The exercises also have answers provided for students' reference. Overall, the lesson provides a thorough understanding of jQuery animation functions and their application, offering a solid foundation for students to build upon in their advanced JQuery studies."