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fromResizeObserver

Types​

function fromResizeObserver(
  element: Element,
  options?: ResizeObserverOptions,
): IObservable<ResizeObserverEntry>

Definition​

Creates an Observable that creates a ResizeObserver for a specific element, and emits a ResizeObserverEntry when the element's size changes.

Example​

Detect when the body changes​

const subscribe = fromResizeObserver(document.body);

subscribe(() => {
  console.log(`Body's size changed`);
});