MaxInterview - react useref in useeffect

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1import React, { useEffect, useRef } from 'react';
2
3const fooComponent = props => {
4	const inputBtnRef = useRef(null);
5  	useEffect(() => {
6      //Add the ref action here
7      inputBtnRef.current.focus();
8    });
9  
10  	return (
11      <div>
12        <input
13          type="text"
14          ref={inputBtnRef} 
15		/>
16      </div>
17    );
18}

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