<script type="text/javascript">

$(document).ready(function(){

$.ajaxSetup({
headers: {
    'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
}
});

function load(){
        $.get('dash',function(data){
        $.each(data,function(key,val){
            $('#data')
            .append("<tr>"+
                    "<td>"+val.Item_Code+"</td>"+
                    "<td>"+val.Name+"</td>"+
                    "<td>"+val.Printer+"</td>"+
                    "<td>"+val.Category+"</td>"+
                    "<td>"+val.Price+"</td>"+
                    "<td>"+val.Stocks+"</td>"+
                    "<td>"+val.Image+"</td>"+
                    "<td>"+
                    "<button type='button' class='btn btn-outline-success'>
                     <i class='fa fa-clipboard'></i> &nbsp; Edit</button>"+
                    "<button type='button' class='btn btn-outline-danger'><i
                     class='fa fa-trash'></i> &nbsp; Delete</button>"+
                    "</td>"+
                    "</tr>");
                     });
                   });
                  }

load();
     $('form').submit(function(e){
        e.preventDefault();
    Item_Code = $('#Item_code').val();
    Name = $('#Name').val();
    Printer = $('#Printer').val();
    Category = $('#Category').val();
    Price = $('#Price').val();
    Stocks = $('#Stocks').val();
    Image = $('#Image').val();

    $.post('/post',{Item_Code:Item_Code,Name:Name,
    Printer:Printer,Category:Category,Price:Price,
    Stocks:Stocks,Image:Image},function(data){



    $('#Item_Code').val('');
    $('#Name').val('');
    $('#Printer').val('');
    $('#Category').val('');
    $('#Price').val('');
    $('#Stocks').val('');
    $('#Image').val('');
        load();

    });
});
});

public function post(Request $req)
     {
    if($req->ajax()){

    $req->validate([
        'Item_Code'=>'required',
        'Name'=>'required',
        'Printer'=>'required',
        'Category'=>'required',
        'Price'=>'required',
        'Stocks'=>'required',
        'Image'=>'required'

    ]);

    $post = new Menu;
    $post->Item_Code = $req->Item_Code;
    $post->Name = $req->Name;
    $post->Printer = $req->Printer;
    $post->Category = $req->Category;
    $post->Price = $req->Price;
    $post->Stocks = $req->Stocks;
    $post->Image = $req->Image;
    $post->save();

    return response()->json();
}
}

Route::post('/post', 'AdminController@post')->name('create.inventory');

<div class="modal-body">
        <form>
            <label for="required-input" class="require">Item Code:</label>
            <input type = "text" class="form-control" placeholder="Item Code" id = "Item_Code">

            <label for="placeholder-input" class="require">Name:</label>
            <input type= "text" class="form-control" placeholder="Name" id = "Name">

            <label for="single-select" class="require">Printer</label>
                                        <select id="Printer" class="form-control">
                                            <option>Kitchen</option>
                                            <option>Bar</option>
                                        </select>


            <label for="single-select">Category</label>
                                        <select id="Category" class="form-control">
                                            <option>Japanese</option>
                                            <option>Beverage</option>
                                        </select>

            <label for="required-input" class="require">Input Price:</label>
            <input type ="number" class="form-control" placeholder="Price" id="Price">

            <label for="required-input" class="require">Quantity:</label>
            <input type ="number" class="form-control" placeholder="Quantity" id="Stocks">

            <label for="required-input" class="require">Image:</label>
            <input type = "file" class="form-control" id="Image">
        </div>

        <div class="modal-footer">
            <button type="button" class="btn btn-link" data-dismiss="modal">Close</button>
            <button type="submit" class="btn btn-primary">Submit</button>
        </div>
        </form>