类型错误：无法读取未定义反应的属性“道具”

Question

I am new to react js and following react code giving me this error我是反应 js 的新手，并遵循反应代码给我这个错误
"TypeError: Cannot read property 'props' of undefined at Button (D:\\my-app.next\\server\\static\\PqudrDXAzXfiQCJ2zK-7F\\pages\\index.js:408:59)." “类型错误：无法读取按钮处未定义的属性‘道具’（D:\\my-app.next\\server\\static\\PqudrDXAzXfiQCJ2zK-7F\\pages\\index.js:408:59）。”

please assist me to solve this, thank you.请帮我解决这个问题，谢谢。

here is my index.js这是我的 index.js

import React, { Component } from 'react';
import Link from 'next/link';
import Head from '../components/head';
import Nav from '../components/nav';
import Button from '../components/Button';
export default () => (
<div>
<Head title="Home" />
<Nav />
<Button text="Demo Button" />
</div>
);

and here is my Button.js file这是我的 Button.js 文件

import React from 'react';
import './button.css';
import { string } from 'prop-types';

const Button = (props) => (
<button>{ props.text } </button>
);
Button.propTypes = {
text: string
 };

export default Button;

Answer 1

Please check this working example:请检查这个工作示例：

import React from "react";
import { string } from "prop-types";
const Button = props => <button> {props.text} </button>;
Button.propTypes = {
  text: string
};
export default () => (
  <div>
    <Button text="Demo Button" />
  </div>
);

类型错误：无法读取未定义反应的属性“道具”

问题描述

1 个解决方案

解决方案1
0 已采纳 2020-02-21 07:48:33

类型错误：无法读取未定义反应的属性“道具”

问题描述

1 个解决方案

解决方案1 0 已采纳 2020-02-21 07:48:33

解决方案1
0 已采纳 2020-02-21 07:48:33