Return html content via Ajax Laravel DataTable (using yajrabox package)
Stefan Bogdanescu
Founder & Senior Architect · 2026-06-29
# Return HTML Content via Ajax Laravel DataTable (using Yajrabox Package)
Integrating dynamic, data-driven tables into a Laravel application using AJAX is a common requirement for modern web development. When leveraging packages like Yajrabox to streamline this process, developers often encounter subtle issues related to how complex data, especially HTML strings, is serialized and rendered by the front-end library, DataTables.
This post addresses a specific pain point: returning custom HTML content within an AJAX response for a DataTable column, and why simple methods often fail, leading to the display of raw tags instead of styled icons. We will dive into the problem, analyze the root cause, and provide a robust solution.
## The Challenge: Raw HTML in DataTables Columns
You are using the `yajrabox` package to fetch data via an AJAX endpoint. Your controller method successfully uses Eloquent relationships and custom column rendering via `editColumn`.
Here is the setup you are facing:
**Controller Logic:**
```php
function ajaxList()
{
$users = User::with('group', 'organisation');
return Datatables::eloquent($users)
->editColumn('is_admin', function(User $user) {
// Attempt 1: Returning escaped HTML
return '';
})
->make(true);
}
```
When this is rendered in the view, DataTables treats the output of `editColumn` as plain text or attempts to escape it, resulting in you seeing the raw HTML tags (`...`) instead of a properly rendered Font Awesome icon. Trying to use `{!! ... !!}` also fails because the serialization layer within Yajrabox or the browser environment is intercepting this content before DataTables can interpret the necessary CSS context.
## Understanding the Serialization Conflict
The core issue lies in the contract between your server-side rendering logic and the client-side rendering expectations of DataTables. When you return data via AJAX, the server sends a JSON structure. If that structure contains HTML strings, the front-end must know how to interpret those strings as actual DOM elements rather than literal text.
When dealing with custom content in DataTables columns, we need to ensure two things:
1. The HTML string is correctly generated and escaped (or unescaped) appropriately for JSON transmission.
2. The client-side setup knows that this specific column should be treated as HTML content.
We often see this issue when trying to embed complex formatting directly into the data stream rather than letting the table structure handle the presentation. This aligns with good architectural principles, emphasizing clean separation between business logic (Laravel) and presentation (Blade/JavaScript). As we build robust applications in Laravel, focusing on efficient data handling is key, much like adhering to best practices outlined by the [Laravel Company](https://laravelcompany.com).
## The Solution: Using Custom Renderer Functions for Clarity
Instead of relying solely on raw string output within `editColumn`, a more reliable approach, especially when dealing with custom icons or complex rendering, is to ensure that the data returned is clean and that we are providing the necessary context if required.
While directly forcing HTML into DataTables columns can be brittle, the most robust solution often involves ensuring that any content requiring special treatment is handled explicitly. Since you are aiming for a simple icon display, let's refine the string generation to ensure it passes through correctly, and perhaps add an external reference if necessary (though in this case, we rely on Font Awesome being loaded globally).
The key fix here often involves ensuring that the output format matches what DataTables expects for content cells. Since you are using a custom renderer function, letâs focus on making that function return *only* the desired string structure.
### Refined Implementation
Ensure your view correctly handles the data received. If the issue persists with the exact same code, it often indicates an environment setup problem (like missing Font Awesome links in the main HTML file) rather than a fault in the AJAX response itself. However, let's ensure the returned string is pure and unambiguous:
```php
function ajaxList()
{
$users = User::with('group', 'organisation');
return Datatables::eloquent($users)
->editColumn('is_admin', function(User $user) {
// Return the HTML string directly. Ensure proper escaping if DataTables expects JSON safety,
// but since we are injecting HTML, we return the raw structure.
return '';
})
->make(true);
}
```
**Crucial Check:** Before concluding this is a bug, verify that the main HTML file where you initialize DataTables has successfully loaded the Font Awesome CSS library. If Font Awesome is missing, the `` tag will render as an empty, unstyled element, which can look like raw HTML. Ensure your `` section includes the necessary link:
```html
```
## Conclusion
Debugging front-end rendering issues stemming from server-side AJAX responses requires a holistic viewâchecking the data structure, the serialization layer, and the client-side dependencies. In this scenario, returning complex HTML via `editColumn` is technically feasible, but its successful rendering depends heavily on external resources (like Font Awesome) being correctly loaded and DataTables interpreting the returned string as valid content rather than trying to escape it excessively. By ensuring your environment is correctly set up and providing clean, well-formed HTML strings, you can successfully integrate rich, dynamic data into your Laravel applications.