Comments on: Adding a class to an element using javascript http://www.digimantra.com/technology/adding-a-class-to-an-element-using-javascript/ Technology tips for all Sun, 13 Nov 2011 09:56:09 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Alex http://www.digimantra.com/technology/adding-a-class-to-an-element-using-javascript/#comment-29223 Alex Wed, 14 Jul 2010 14:00:51 +0000 http://realin.co.in/?p=141#comment-29223 You can add a class to an element already with one. Instead of using a "=" use "+=" to append the class. You can add a class to an element already with one. Instead of using a “=” use “+=” to append the class.

]]> By: wayne http://www.digimantra.com/technology/adding-a-class-to-an-element-using-javascript/#comment-3603 wayne Sun, 02 Aug 2009 13:17:50 +0000 http://realin.co.in/?p=141#comment-3603 i think a better name for this function would be "overwriteClass" as the function performs no check to to see if the target object already has a class name. in the given example, it's obvious that the div object has no other class name, but if this function is going to be used in other pages where there might already be a class attached to the object you want to hilight, be aware that the function will overwrite any existing class, possibly creating unwanted side effects. i think a better name for this function would be “overwriteClass” as the function performs no check to to see if the target object already has a class name.

in the given example, it’s obvious that the div object has no other class name, but if this function is going to be used in other pages where there might already be a class attached to the object you want to hilight, be aware that the function will overwrite any existing class, possibly creating unwanted side effects.

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