Solidjs counter

import { createSignal, onMount } from "solid-js";

function App() {
  const [count, setCount] = createSignal(0);
  let input;

  onMount(() => {
    console.log("Everything is ready!")
  });

  return (
    <div>
      <input
        type="number"
        ref={input}
        placeholder="Enter a number"
      />
      <button onClick={() => setCount(count()+parseInt(input.value))}>
        Add
      </button>
      <p>{count()}</p>
    </div>
  )
}
export default App;