kotlin-browser/web.dom.observers/MutationObserver

MutationObserver

external class MutationObserver(callback: MutationCallback)(source)

Provides the ability to watch for changes being made to the DOM tree. It is designed as a replacement for the older Mutation Events feature which was part of the DOM3 Events specification.

MDN Reference

Constructors

MutationObserver

constructor(callback: MutationCallback)

Functions

disconnect

fun disconnect()

Stops observer from observing any mutations. Until the observe() method is used again, observer's callback will not be invoked.

observe

fun observe(target: Node, options: MutationObserverInit = definedExternally)

Instructs the user agent to observe a given target (a node) and report any mutations based on the criteria given by options (an object).

takeRecords

fun takeRecords(): ReadonlyArray<MutationRecord>

Empties the record queue and returns what was in there.