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CODE EXAMPLE FOR JAVASCRIPT

React useCallback Hook

//todos.js
import { memo } from "react";

const Todos = ({ todos, addTodo }) => {
  console.log("child render");
  return (
    <>
      <h2>My Todos</h2>
      {todos.map((todo, index) => {
        return <p key={index}>{todo}</p>;
      })}
      <button onClick={addTodo}>Add Todo</button>
    </>
  );
};

export default memo(Todos);
Source by www.react.express #
 
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Tagged: #React #useCallback #Hook
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