Detecting changes in the style of an HTML element using YUI3

Working on a website that is utilizing an unreliable ads provider. Occasionally, the JavaScript code they provide contains bugs, such as changing the background color of the entire body element instead of just its designated div. Unfortunately, we are stuck using their service and correction of these errors takes considerable time.

I am considering implementing a solution where a callback function would trigger whenever the background-color property of the body element is altered, restoring it to the correct value. Is there an efficient way to achieve this with YUI3 (or jQuery, or vanilla JavaScript if YUI3 lacks the functionality)?

While I am aware of the option to periodically reset the background color using setInterval(), I find this approach inefficient and messy. Can anyone suggest a more elegant solution?

Answer №1

To implement CSS changes using javascript, consider utilizing Mutation Events (Second Level Events).

These are the events you can listen to:

  • DOMAttrModified
  • DOMAttributeNameChanged
  • DOMCharacterDataModified
  • DOMElementNameChanged
  • DOMNodeInserted
  • DOMNodeInsertedIntoDocument
  • DOMNodeRemoved
  • DOMNodeRemovedFromDocument
  • DOMSubtreeModified

You have the option to listen on DOMAttrModified with either the Style attribute or Class attribute.

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