React

by Abdul Ahmad

HTML

<div id="app"></div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

.done {
  color: rgba(0, 0, 0, 0.3);
  text-decoration: line-through;
}

input {
  margin-right: 5px;
}

React

function TodoApp(props) {
  const [state, setState] = React.useState(0);
  
  function incrementCounter(e) {
  	console.log('e', e);
  	setCounter(counter + 1);
  }
  
  return (
    <div>
      <div>
        counter: { counter }
      </div>
      <button onClick={incrementCounter}>
        increment counter
      </button>
    </div>
  );
}

ReactDOM.render(<TodoApp />, document.querySelector("#app"))