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Building Dynamic Web Applications with Next.js

Local vs. Global State Management

Explore how to effectively manage both local and global state in Next.js applications. Understand using React's useState for component-scoped data and Context API or Redux for sharing state across components. This lesson equips you to build dynamic, interactive web apps with scalable state management.

We'll cover the following...

Let’s take a closer look at the two different types of states that Next.js encompasses.

Local state management

When talking about local state management, we’re referring to the application state that is component-scoped. We can summarize that concept with an elementary Counter component:

JavaScript (JSX)
import React, { useState } from "react";
function Counter({ initialCount = 0 }) {
  const [count, setCount] = useState(initialCount);
  return (
    <div>
      <b>Count is: {count}</b><br />
      <button onClick={() => setCount(count + 1)}>
        Increment +
      </button>
      <button onClick={() => setCount(count - 1)}>
        Decrement -
      </button>
    </div>
  )
}
export default Counter;

When we click the “Increment” button, we’ll add 1 to the current count value. ...