Posted By

alberomo on 07/27/11

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Last Edited at 07/27/11 02:19am

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addClass function

/ Published in: JavaScript

Description: A function that add a class to an element if the element doesn't have anyone, if it already has one, add a new class name.
Arguments: The elemento to which you want to add the class and the name of the class you want to add.

From book Dom Scripting by Jeremy Keith.

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function addClass(element,value) {
   if (!element.className) {
      element.className = value;
} else {
   newClassName = element.className;
   newClassName+= " ";
   newClassName+= value;
   element.className = newClassName;
   }
}