A small wrapper around MutationObserver to hook into creation of elements (filtered on CSS selector) or removal of nodes.
بۇلار بۇ قوليازمىنىڭ كود يېڭىلانغان نەشرىلىرى. بارلىق نەشرىنى كۆرسىتىش
Allow multiple elements with the same selector. Disconnect the observer to stop hooking into new elements created with the selector.
