thay doi method cho ajax request

routes/web.php

@@ -21,7 +21,7 @@
 Route::middleware(['auth'])->group(function() {
     Route::resource('posts', PostController::class);
     Route::prefix('posts')->name('posts.')->group(function() {
-        Route::post('ajax', [PostController::class, 'ajax'])->name('ajax');
+        Route::get('ajax', [PostController::class, 'ajax'])->name('ajax');
     });
     Route::get('/home', [App\Http\Controllers\HomeController::class, 'index'])->name('home');
 });