import { Button, Node } from "cc"; export function addBtnClick(btn: Button | Node, onClick, target) { if (btn instanceof Node) { btn.on(Node.EventType.TOUCH_END, onClick, target); return; } } export function removeBtnClick(btn: Button | Node, onClick, target) { if (btn instanceof Node) { btn.off(Node.EventType.TOUCH_END, onClick, target); return; } }