Question

How to define integr variables in jsx

You press a button and it should count how many times you press. There should be increasing value in memory. A variable.

How to define it in class? Why haven’t you mentioned it in your lectures?

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Bobby Iliev
Site Moderator
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• May 4, 2022

Hello,

Here is an example code that would work in the same way you’ve described it:

import React, { useState } from "react";
import ReactDOM from "react-dom";

function App() {

  // State to store count value
  const [count, setCount] = useState(0);

  // Function to increment count by 1
  const incrementCount = () => {
    // Update state with incremented value
    setCount(count + 1);
  };
  return (
    <div className="app">
      <button onClick={incrementCount}>Click Here</button>
      {count}
    </div>
  );
}

const rootElement = document.getElementById("root");
ReactDOM.render(<App />, rootElement);

Best,

Bobby