Insert block of JS

App.xht

<script>
    const styleDiv = el => {
        el.style.border = '2px dotted red';
        el.style.padding = '8px';
    }
</script>

<div {* styleDiv($element) }>
    {* $element.textContent = 'inserted text' }
</div>

{#each 5 as i}
    {* const value = i**2 }
    {i}**2 = {value}
    <br/>
{/each}