Pass value to form input for HubSpot

<script>
document.addEventListener("DOMContentLoaded", function() {
    // Wait for the form to load
    setTimeout(function() {
        var urlInput = document.querySelector('input[name="url_of_page"]');
        if (urlInput) {
            console.log('url_of_page input exists');
            urlInput.value = window.location.href;
        }
    },1000); // Adjust the delay if needed
});
</script>