Laravel Ajax Call to a function in controller
Stefan Bogdanescu
Founder & Senior Architect · 2026-06-29
# Mastering AJAX in Laravel: Calling Controller Functions from Your View
As a senior developer, I often see new Laravel users hit a roadblock when trying to bridge the gap between the backend logic (your controllers) and the frontend interactivity (AJAX). You've correctly identified that you want an AJAX call to execute a function inside your controller. The reason your current attempt is failing is not due to a flaw in the JavaScript, but rather because you are missing the crucial architectural layer that connects your URL requests to your controller methods: **Routing**.
This post will walk you through the correct, robust way to make asynchronous calls from your Blade view to your Laravel controller functions, ensuring you understand the underlying principles of how web applications communicate.
## The Core Problem: Routing is the Missing Link
When you use `$.ajax({ url: 'OrderData' })`, the browser is simply asking for a URL that doesn't exist as a defined route in your application. In Laravel, everything that happens on the server must be explicitly mapped through the routing system before it can be accessed by an HTTP request.
To successfully execute any backend logic via AJAX, you must follow these three essential steps: define the route, map the route to the controller function, and ensure the controller returns data in a format the frontend can consume (usually JSON).
## Step 1: Defining the Route
The first step is to tell Laravel exactly which URL should trigger your `OrderData` method. You do this in your `routes/web.php` file. We will define a route that handles a POST request, as this is a common pattern for data submission via AJAX.
In `routes/web.php`:
```php
use App\Http\Controllers\DashBoardController;
use Illuminate\Support\Facades\Route;
// Define the route to call the OrderData function
Route::post('/api/order-data', [DashBoardController::class, 'OrderData'])->name('order.data');
```
Notice how we mapped a specific URI (`/api/order-data`) to a specific controller method (`DashBoardController@OrderData`). This is the bridge that makes your AJAX call functional.
## Step 2: Ensuring the Controller Returns JSON
When performing AJAX requests, the server should almost always respond with structured data, typically JSON. Returning a plain string (like `"I am in"`) will result in a poorly formatted response for JavaScript to parse.
Modify your controller method in `app/controllers/DashBoardController.php` to return a JSON response using the `response()` helper or an appropriate class.
```php
'success',
'message' => 'Data successfully retrieved from the controller!',
'id' => $request->input('id', 0) // Accessing the data sent from the AJAX request
];
// Return the response as a JSON object
return response()->json($data);
}
}
```
## Step 3: Making the AJAX Call from the View
Now that the backend is correctly set up, we can update your JavaScript in the Blade view. We will use the `fetch` API, which is the modern standard for making asynchronous requests in JavaScript, although jQuery's `$.ajax` works just as well (as you initially attempted).
In your Blade file:
```html
```
**Note on Security:** Notice the inclusion of `X-CSRF-TOKEN`. When making POST requests in Laravel, it is a critical security measure to include the CSRF token. Ensure your main Blade layout includes this meta tag for Laravel to handle session security correctly: ``.
## Conclusion
Making AJAX calls to controller functions in Laravel is fundamentally about understanding the separation of concernsârouting handles *where* the request goes, and controllers handle *what* the response is. By explicitly defining a route that points to a controller method and ensuring your controller returns proper JSON data, you transform a failed attempt into a robust, secure, and scalable communication channel. Keep practicing these patterns; mastering routing and API design is central to building powerful applications on the Laravel framework.