CODE EXAMPLE FOR JAVASCRIPT

Setting darkmode using Tailwind

<script>
    // On page load or when changing themes, best to add inline in `head` to avoid FOUC
    if (localStorage.getItem('color-theme') === 'dark' || (!('color-theme' in localStorage) && window.matchMedia('(prefers-color-scheme: dark)').matches)) {
        document.documentElement.classList.add('dark');
    } else {
        document.documentElement.classList.remove('dark')
    }
</script>