Ajax Response Json LARAVEL5.2

\resources\assets\js\scriptOne.js

var $a = jQuery.noConflict();
$a(document).ready(function () {
    $a(".thumbnail.user").click(function () {
        $a.mydata = $a(this).myAjaxInit();
        var type = $a.mydata.type;
        $a.getJSON($a.mydata.urlJson, function (data) {
            $a.pagination = $a(data)
            $a.pagination = $a($a.pagination[0])
            $a.data = $a($a.pagination[0].data);
            var contentPage = $a(".bs-allbookmark");
            contentPage.empty('slow');
            var items = [];
            items.push(String("<thead>" + "<tr ><th colspan=\'3\'><h1 class=\' timeline-stacktrace-title\'>" + $a.mydata.title + "</h1></th>" + "</thead>"));
            $a.each($a.data, function (key, val) {
                items.push("<tr>" + "<td>" + key + "</td>" + "<td>" + key + "</td>" + "<td>" + $a.data.get(key)[type] + "</td>" + "</tr>");
            });
            var N, P;
            P = (($a.pagination.get(0).current_page) <= 0) ? ($a.pagination.get(0).current_page) - 1 : 5;
            N = (($a.pagination.get(0).current_page) < 5) ? ($a.pagination.get(0).current_page) - 1 : 0;
            items.push(String("<tfoot><tr><td colspan=\'3\'>" + "<ul class='pager'>" + "<li class='thumbnail user' id='" + P + "'>" + "<a href='#'>Previous</a></li>" + "<li class='thumbnail user' id='" + N + "'>" + "<a href='#'>Next</a></li>" + "</ul>" + "</tfoot></tfoot>"));
            $a("<table/>", {"class": "table table-hover table-bordered", html: items.join("")}).appendTo(contentPage);
            /*console.log($a.pagination.get(0))*/
        });
        return false;
    });
});
$a.fn.myAjaxInit = function () {
    var iduser, item, urlJson, title;
    item = $a(this).attr('name');
    iduser = $a(this).attr('id');
    urlJson = String("http://localhost/AUTHENTIFICATION/" + item + "/" + iduser);
    switch (item) {
        case 'vue':
            title = 'Les plus vue';
            break;
        case 'url_bm':
            title = 'Bookmark';
            break;
        default :
            title = item;
    }
    return {"id": iduser, "type": item, "urlJson": urlJson, "title": title};
}
function progressAjax() {
    $a('#content_progress').ajaxStart(function () {
        $a(this).html("<img src='resources/assets/images/loader.gif ' alt='loader'>");
        $a(this).fadeIn();
    });
    $a('#content_progress').ajaxComplete(function () {
        $a(this).fadeOut('slow');
    });
}

app\Http\Controllers\UserController.php

class UserController extends Controller
{
    use ResetsPasswords;

    public function __construct(Request $request)
    {
        $this->middleware('auth');
    }

    public function index()
    {
        return view('user.index');
    }

     public function  UserpageElements(Request $request, $column, $id)
    {
        if ($column == "vue") {
            $bestVue = DB::table('bookmarks')->where('user_id', $id)->simplePaginate(20, [$column, 'url_bm']);
        } else {
            $bestVue = DB::table('bookmarks')->where('user_id', $id)->simplePaginate(20, ['id', $column]);
        }
        return response()->json($bestVue); //->setCallback($request->input('callback')) ; 
    }
    }

gistfile1.txt

<?php

Route::group(['middleware' => 'web'], function () {
    Route::auth();
    Route::resource('user', 'UserController');
    Route::get('/user', 'UserController@index');
    Route::get('/user/{id}', 'UserController@show');
       Route::post('/user/{id}', 'UserController@savePassword');
    Route::get('/{category}/{id}', 'UserController@UserpageElements');
    Route::get('/allUsers', 'UserController@allUsers');
    Route::get('/addform', 'UserController@create');
    Route::post('/addbm', 'UserController@store');
    Route::get('/profilUser', 'UserController@profilUser');
    Route::get('/oldPassword', 'UserController@oldPassword');
    Route::post('/newPassword', 'UserController@newPassword');
    Route::post('/savePassword', 'UserController@savePassword');
 
/*-------------------------------------------------------------------*/
    Route::get('/','homeController@index');
    Route::get('/index', 'HomeController@index');

    Route::resource('Bookmark', 'BookmarkController');
    Route::get('/Bookmark', 'BookmarkController@index');
    Route::get('/allBookmark', 'BookmarkController@allBookmark');






});