Javascript Recognition.onresult在react中不起作用
我一直试图在控制台上显示我的结果,但它不起作用 由于某些原因,控制台正在打印“侦听”,但在我完成演讲后不会启动onresult函数Javascript Recognition.onresult在react中不起作用,javascript,reactjs,web,Javascript,Reactjs,Web,我一直试图在控制台上显示我的结果,但它不起作用 由于某些原因,控制台正在打印“侦听”,但在我完成演讲后不会启动onresult函数 import React, { useEffect, useState } from 'react'; import './App.css'; const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition; const recognition = new S
import React, { useEffect, useState } from 'react';
import './App.css';
const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
const recognition = new SpeechRecognition();
recognition.start();
const URL = 'https://www.google.com/search?q=';
export const App = () => {
const [text, setText] = useState('');
const [action, setAction] = useState('');
useEffect(() => {
recognition.onstart = () => {
console.log('Listening');
}
recognition.onresult = (e) => {
console.log(e);
}
});
return <div>
<div>{ action }</div>
<div>{ text }</div>
</div>
}
import React,{useffect,useState}来自“React”;
导入“/App.css”;
const SpeechRecognition=window.SpeechRecognition | | window.webkitSpeechRecognition;
const recognition=新的SpeechRecognition();
识别。开始();
常量URL=https://www.google.com/search?q=';
导出常量应用=()=>{
const[text,setText]=useState(“”);
const[action,setAction]=useState(“”);
useffect(()=>{
recognition.onstart=()=>{
console.log('listing');
}
recognition.onresult=(e)=>{
控制台日志(e);
}
});
返回
{action}
{text}
}
问题是在渲染元素之前就启动了。。
相反,我会在
useffect()
function中的某种事件中使用它,如果onend
触发,您尝试过吗