#usecallback code explainers

javascript

import { useState, useEffect, useRef, useCallback } from 'react';
 
export default function Carousel({ images }) {
  const [index, setIndex] = useState(0);

Building a wrap-around Carousel in React

hooks usecallback event-listeners

Intermediate 9 steps

javascript

import { useCallback, useState } from "react";
 
const MIN = 0;
const MAX = 1000;

Building a dual-thumb price slider in React

controlled-components state-clamping usecallback

Intermediate 8 steps

javascript

import { useState, useCallback, memo } from 'react';
 
const TodoItem = memo(function TodoItem({ todo, onToggle, onRemove }) {
  return (

Preventing re-renders in a React todo list

memoization usecallback referential-stability

Intermediate 8 steps