React Basic Hooks - useEffects sample

by JamesPattison

HTML

<div id="root"></div>
<div id="other-div"></div>

CSS

body {
  height: 100vh;
  width: 100%;
  font-family: 'Open Sans', sans-serif;
  font-weight: bold;
  font-size: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

#root, #other-div {
  width: 100%;
}

button {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  background-color: teal;
  color: white;
  margin: 50px;
  font-weight: bold;
  font-size: 1rem;
}

React

const {useState, useEffect} = React;

function Example() {
  const [count, setCount] = useState(0);

  const incrementCount = () => {
    setCount(count + 1);
  };

  const decrementCount = () => {
    setCount(count - 1);
  };

  return (
    <div>
      <h1>Count: {count}</h1>
      <button onClick={incrementCount}>Increment</button>
      <button onClick={decrementCount}>Decrement</button>
    </div>
  );
}

ReactDOM.render( <Example />, document.getElementById('root') );