Selects elements that have the specified attribute with a value either equal to a given string or starting with that string followed by a hyphen (-).

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

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

Selects all elements that have no siblings with the same element name. If the parent has other child

Selects element if it is currently focused. As with other pseudo-class selectors (those that begin

Selects all next elements matching "next" that are immediately preceded by a sibling "prev". One

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

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

Selects elements that have the specified attribute with a value containing a given word, delimited by spaces. This

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