team2_fs/assets/Scripts/SpecialEffects/PkAnim.ts

import { _decorator, Component, Node } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('PkAnim')
export class PkAnim extends Component {

    start() {
        // [3]
    }

    public removeThis() {
        this.node.destroy();
    }
}