Selects even elements, zero-indexed. See also odd. In particular, note that the 0-based indexing

Select all elements that have no children (including text nodes). This is the inverse of :parent

Selects all elements that are visible. Elements are considered visible if they consume space in

Selects elements that have the specified attribute with a value beginning exactly with a given string. This

Selects all direct child elements specified by "child" of elements specified by "parent". As a CSS

Selects all elements that are the last child of their parent. While

Selects all the elements that are the nth-child of their parent in relation to siblings with the same element name, counting from the last element to the first.

Selects a single element with the given id attribute. For id selectors, jQuery uses the JavaScript

Selects all elements that are the only child of their parent. If the parent has other child elements

Selects all elements that are selected. The :selected selector works for <option>