Is React Having an Angular.js Moment?(marmelab.com)

  <script>
    const colours = ['red', 'white'];
  </script>

  Colours of the British Flag

  <ul>
    {#each colours as colour}
      <li>{colour}</li>
    {/each}
  </ul>
  <button on:click={() => colours.push('blue')}>Add blue!</button> 

  function () {
    const [colours, setColours] = useState(['red', 'white']);

    return (
      <div>
        Colours of the British Flag

        <ul>
          {colours.map(colour => (<li>{colour}</li>))} 
        </ul>

        <button => colours.push('blue')}>Add blue!</button>
      </div>
    )
  };