React Native

 import React, { Component } from "react"; import { render } from "react-dom"; import Demo1 from "./Demo1"; import Demo2 from "./Demo2"; import Demo3 from "./Demo3"; class App extends Component {     constructor() {         super();         this.state = {             name: "React",             showHideDemo1: false,             showHideDemo2: false,             showHideDemo3: false,         };         this.hideComponent = this.hideComponent.bind(this);     }     hideComponent(name) {         console.log(name);       ...