Selector tag class « jQuery « JavaScript DHTML

1.Finds every DIV element.
2.Finds the element with the class "myClass".
3.Finds the elements that match any of these three selectors.
4.Get last paragraph and add class
5.Select tag by name
6.Select tag and its class
7.Select from nested classes
8.Select based one just added
9.Matches all elements with the given class

10.Query just added tags
11.Find the very next sibling of each paragraph that has a class "selected".