问题描述
嗨,这是我在 App.js 文件中的代码,我收到了“意外令牌”错误
import React,{ useState } from 'react';
import './App.css';
import Person from './Person/Person';
const app = props => {
//stateful component
const [ personsState,setPersonsState ] = useState({
persons: [
{ name: 'Colby',age: 25 },{ name: 'Linnea',age: 27 },{ name: 'Frodo',age: 6 }
],});
switchNameHandler = (newName) => {
this.setState({
persons: [
{ name: 'Kyle',age: 26 },{ name: 'Alex',{ name: newName,age: 24 }
]
})
}
nameChangedHandler = (event) => {
this.setState({
persons: [
{ name: 'Frodo',age: 6 },{ name: event.target.value,{ name: 'Brett',age: 25 }
]
})
}
render () {
return (
<div className="App">
<h1>Hi I am Colby!</h1>
<p>Is this p tag working?</p>
<button onClick={() => this.switchNameHandler('Hermon!!!')}>Switch Name</button>
<Person
name={personsState.persons[0].name}
age={personsState.persons[0].age}
click={switchNameHandler.bind(this,'Hermon')}>My Hobby is Coding
changed={this.nameChangedHandler}</Person>
<Person
name={personsState.persons[1].name}
age={personsState.persons[1].age}>My Hobby is Training</Person>
<Person
name={personsState.persons[2].name}
age={personsState.persons[2].age}/>
</div>
);
}
}
export default app;
这是我的错误信息: ./src/App.js 语法错误:C:/Users/colby/react-course-notes/chapter-3/react-complete-guide/src/App.js: Unexpected token,expected ; (38:12)
36 | } 37 |
38 |使成为 () { | ^ 39 |返回 ( 40 | 41 |
嗨,我是科尔比!
解决方法
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