Element.addClassName - Prototype JavaScript 框架

Xunxin Prototype API

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addClassName

addClassName(element, className) -> HTMLElement

增加一个 CSS 类到 element 中。

样例

<div id="mutsu" class="apple fruit"></div> 
$('mutsu').addClassName('food')
$('mutsu').className
// -> 'apple fruit food'
$('mutsu').classNames()
// -> ['apple', 'fruit', 'food']
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