jQuery .class Selector

Select all elements with class "intro":

$(".intro")

Definition and Usage

The .class selector selects all elements with the specific class.

The class refers to the class attribute of an HTML element.

The class attribute is used to set a particular style for several HTML elements.

Note: Do not start a class attribute with a number. It may cause problems in some browsers.

$(".class")

Parameter	Description
class	Required. Specifies the class of the elements to select

Select all p elements with class "intro"
How to select all p elements with class "intro".