jQuery hasClass() Method
Example
Check if any <p> element has a class named "intro":
  
    $("button").click(function(){
    alert($("p").hasClass("intro"));
 });
  
Try it Yourself »
Definition and Usage
The hasClass() method checks if any of the selected elements have a specified class name.
If ANY of the selected elements has the specified class name, this method will return "true".
Syntax
$(selector).hasClass(classname)
| Parameter | Description | 
|---|---|
| classname | Required. Specifies the class name to search for in the selected elements | 

