useEffect1
import React,{useEffect,useState} from 'react'
export default function EFF1() {
const [T,setT]=useState(new Date().toLocaleTimeString());
const [message,setmessage]=useState("good morning");
useEffect(()=>{
console.log("good morning");
const interval=setInterval(showDate,1000);
return ()=>{
console.log("interval is clearning");
clearInterval(interval);
}
},[])
const showDate=()=>{
setT(new Date().toLocaleTimeString())
}
const change=()=>{
setmessage("hello students");
}
return (
<div>{T}
{message}
<button onClick={change}>click</button>
</div>
)
}
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