import{useState}from'react'import{View,Text,Button}from'@tarojs/components'functionCounter(){const[count,setCount]=useState(0)return(<View><Text>当前计数:{count}</Text><Button onClick={()=>setCount(count+1)}>增加</Button></View>)} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12....
AI代码解释 importReact,{useState}from"react"exportdefaultconstHelloWorldComponent=()=>{const[responseData,setResponseData]=useState(null)consthandleClick=()=>{fetch("/hello-world").then(response=>response.text()).then(data=>{setResponseData(data)})}return({responseData?<>{responseData}</>:"你...
AI代码解释 /* App.js */import{NavigationContainer}from'@react-navigation/native';import{createNativeStackNavigator}from'@react-navigation/native-stack';importHomeScreenfrom'./components/HomeScreen';importAboutScreenfrom'./components/AboutScreen';constStack=createNativeStackNavigator();exportdefaultfunctionApp...
importChildfrom'./Child'importReact,{useState}from'react'exportdefaultfunctionParent(){const[count,setCount]=useState<number>(0)consthandleClick=()=>{setCount(count+1)}console.log('prent')return(Increase Count{count}<Child name={'Child COmponnt'}/>)} 1 2 3 4 5 6 7 8 9 10 11 12 13...
export default function Form() { // 声明答案状态变量 const [answer, setAnswer] = useState(''); // 声明错误变量 const [error, setError] = useState(null); // 声明状态变量 const [status, setStatus] = useState('typing'); if (status === 'success') { ...
container,vnode);//初次渲染varbtn=document.getElementById('btn-change');btn.onclick=function(){...
import Vue from 'vue'import { computed, value } from 'vue-function-api'interface User { firstName: string lastName: number}interface YourProps { user?: User}export default Vue.extend({ name: 'YourComponent', setup ({ user }: YourProps) { const fullName = computed(() => `...
const{details,index}=this.props; return( {details.name}{details.desc}this.props.addToOrder(index)}className="btn btn-primary">Addtoorder {this.props.orders || 0} ); } } exportdefaultPastaItem; Props 在上面两个例子中,我们可以看到React和Vue都有’props’的概念,这是properties的简写。props在...
+ "@babel/code-frame" "^7.12.13" + "@babel/generator" "^7.12.17" + "@babel/helper-function-name" "^7.12.13" + "@babel/helper-split-export-declaration" "^7.12.13" + "@babel/parser" "^7.12.17" + "@babel/types" "^7.12.17" + debug "^4.1.0" + globals "^11.1.0" + lo...
The import() function-like form takes the module name as an argument and returns a Promise which always resolves to the namespace object of the module. Here is an example: moduleA.js const moduleA = 'Hello'; export { moduleA }; App.js import React, { Component } from 'react'; ...