MutationObserver

The MutationObserver API watches for changes to the DOM tree and calls a callback function when DOM changes occur. To learn more, see MutationObserver, MutationObserver: MutationObserver() constructor, MutationObserver: disconnect() method, MutationObserver: observe() method, MutationObserver: takeRecords() method, MutationRecord, MutationRecord: addedNodes property, MutationRecord: attributeName property, MutationRecord: attributeNamespace property, MutationRecord: nextSibling property, MutationRecord: oldValue property, MutationRecord: previousSibling property, MutationRecord: removedNodes property, MutationRecord: target property, MutationRecord: type property at MDN.

Compatibility

• Chrome 26 Released on 2013-03-26
• Chrome Android 26 Released on 2013-04-03
• Edge 12 Released on 2015-07-29
• Firefox 14 Released on 2012-07-17
• Firefox for Android 14 Released on 2012-06-26
• Safari 7 Released on 2013-10-22
• Safari on iOS 7 Released on 2013-09-18