addClassName :: Element

addClassName(element, className) -> HTMLElement

 

Adds a CSS class to element.

 

Examples

 

<div id="mutsu" class="apple fruit"></div>

 

$('mutsu').addClassName('food')

 

$('mutsu').className

// -> 'apple fruit food'

$('mutsu').classNames()

// -> ['apple', 'fruit', 'food']

 


Prototype API 1.5.0 - prototypejs.org