What is the correct way to use JavaScript to dynamically change the URL after "?redirect=" to match the current visiting URL in Webflow?

To dynamically change the URL after "?redirect=" to match the current visiting URL in Webflow using JavaScript, you can follow these steps:

1. Add a custom code block to your Webflow project by going to the page where you want to implement this functionality.
2. Create a function that retrieves the current URL and updates the "redirect" query parameter accordingly.
3. Use the `window.location` object to get the current URL. You can access the query parameters using the `search` property.
4. Parse the query string to extract the existing parameters.
5. Update the "redirect" parameter value with the current URL.
6. Set the updated URL to the appropriate link or button element using JavaScript.

Here's a code snippet demonstrating this approach:

```javascript
// Get the current URL
var currentUrl = window.location.href;

// Parse the query string
var queryString = window.location.search;
var urlParams = new URLSearchParams(queryString);

// Get the existing "redirect" parameter value
var redirectParam = urlParams.get('redirect');

// Update the "redirect" parameter value with the current URL
urlParams.set('redirect', currentUrl);

// Get the updated URL with the modified query parameters
var updatedUrl = window.location.pathname + '?' + urlParams.toString();

// Set the updated URL to the appropriate link or button element
var linkElement = document.getElementById('your-link-element-id');
linkElement.href = updatedUrl;
```

In the code snippet above, make sure to replace `'your-link-element-id'` with the actual ID of your link or button element that you want to update.

This approach will dynamically update the URL after "?redirect=" to match the current visiting URL when the page loads. You can modify and extend this code to fit your specific requirements and use cases in your Webflow project.