It might be observing the resize event? https://developer.mozilla.org/en-US/docs/Web/API/Window/resize_event https://developer.mozilla.org/en-US/docs/Web/API/W

It might be observing the resize event? https://developer.mozilla.org/en-US/docs/Web/API/Window/resize_event https://developer.mozilla.org/en-US/docs/Web/API/Window/resi...