vitest/examples/solid/components/Hello.jsx

import { createSignal } from 'solid-js'

export function Hello(props) {
  const [times, setTimes] = createSignal(2)
  return (
    <>
      <div>{`${props.count} x ${times()} = ${props.count * times()}`}</div>
      <button onClick={() => setTimes(t => t + 1)}>x1</button>
    </>
  )
}