fromMutationObserver

Types

function fromMutationObserver(
  element: Element,
  options?: MutationObserverInit,
): IObservable<MutationRecord>

Definition

Creates an Observable that creates an MutationObserver for a specific element, and emits a MutationRecord when a change in the DOM is detected.

Example

Listen on attribute changes on body

const subscribe = fromMutationObserver(document.body, {
  attributes: true,
});

subscribe((record: MutationRecord) => {
  console.log(`Attribute '${record.attributeName}' changed`);
});