Ref hook in react

UseRef

/*
	A common use case is to access a child imperatively: 
*/

function TextInputWithFocusButton() {
  const inputEl = useRef(null);
  const onButtonClick = () => {
    // `current` points to the mounted text input element
    inputEl.current.focus();
  };
  return (
    <>
      <input ref={inputEl} type="text" />
      <button onClick={onButtonClick}>Focus the input</button>
    </>
  );
}

Source: reactjs.org

Ref hook in react

function TextInputWithFocusButton() {
  const inputEl = useRef(null);
  const onButtonClick = () => {
    // `current` points to the mounted text input element
    inputEl.current.focus();
  };
  return (
    <>
      <input ref={inputEl} type="text" />
      <button onClick={onButtonClick}>Focus the input</button>
    </>
  );
}

Source: reactjs.org

Similar codes

26 votes265 views6 answers
React js
Javascript React
0 vote269 views1 answer
How to Submit Forms and Save Data with React.js
Javascript React
0 vote368 views1 answer
Array map order by timestamp reactjs
Javascript React
0 vote252 views1 answer
React-drag-drop-files open twice
Javascript React
0 vote215 views1 answer
Copy paste menu react native textinput disable
Javascript React
0 vote199 views1 answer
Reactbootstrap multiselect
Javascript React
0 vote236 views2 answers
React typed js
Javascript React
0 vote195 views1 answer
Loading react circular progress
Javascript React
0 vote223 views1 answer
Use this in a react js component
Javascript React
17 votes208 views4 answers
Appdata roaming npm react-native.ps1 cannot be loaded
Javascript React