const { ccclass , property } = cc . _decorator ; @ ccclass export default class BackHomeBtn extends cc . Component { static instance : BackHomeBtn = null ; onLoad ( ) { cc . game . addPersistRootNode ( this . node ) ; BackHomeBtn . instance = this ; this . toggleActive ( false ) ; } toggleActive ( flag ) { this . node . active = flag ; } backToHome ( ) { this . toggleActive ( false ) ; cc . director . loadScene ( 'Home' ) ; } }