addClass(class|fn)

addClass(class|fn)

Outline

Adds the specified class name for each element matched. Shenzhen dd motor

 

parameter

classStringV1.0

One or more CSS class names to add to the elements, separated by a space, please

function(index, class)FunctionV1.4

This function must return one or more spaces separated by class name. It accepts two parameters, index parameter is the index value of this object is set, the object class for the previous parameter class attribute value.

Examples

Parameters class description:

Is matched elements plus 'selected' class

jQuery code:

$("p").addClass("selected");
$("p").addClass("selected1 selected2");

The callback function Description:

Add a different class to the li

HTML code:

<ul>
      <li>Hello</li>
      <li>Hello</li>
      <li>Hello</li>
</ul>

jQuery code:

$('ul li:last').addClass(function() {
  return 'item-' + $(this).index();
});