stringRef:

createRef:


useRef:
const curRef = useRef();
console.log(curRef .current);
<button ref={curRef } ></button>
stringRef:
createRef:
useRef:
const curRef = useRef();
console.log(curRef .current);
<button ref={curRef } ></button>
本文标题:React-03 Ref的演变
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