How to select particular html element all data and send to server in jquery

@foreach($user_slug_summary as $item)
                <div class="card" id="mycard">
                <div class="card-header" style="background-color:#706fdd">
                @if(!empty($item->slug))     
                <div class="row">
                    <div class="col-md-3">
                        <div style="color:white">Name: {{ $item->influncer_name }}</div>
                    </div>
                    <div class="col-md-4">
                        <div style="color:white">Cart Id: {{ $item->cart_id }}</div>
                    </div>
                    <div class="col-md-4">
                        <div class="total-price" data-item-id="{{ $item->id }}" style="color:white">Total Price: {{ !empty($item->record_sum) ? $item->record_sum . (!empty($item->currency) || $item->currency === [] ? $item->currency : '') : '' }}</div>
                    </div>
                    <div class="col-md-1">
                        <div>
                            <span  style="color:white" class="tp-delete" data-item-id="{{ $item->id }}"><i class="fa fa-trash"></i></span>
                        </div>
                    </div>

   <div class="col-md-4 mx-auto"> 
                    <div class="card">
                        <div class="card-body">
                <select id="currencyDropdown">
                    <option value="INR">INR</option>
                    <option value="USD">USD</option>
                    <option value="EURO">EURO</option>
               </select>

$('#currencyDropdown').change(function() {
            var selectedCurrency = $(this).val();
            var userId = $('#auth_id').val(); // Accessing the value of the hidden input field
            console.log("my dropdown code is there"); 
            console.log(userId);
            var totalPriceArray = []; // Initialize an array to store total prices

    $('.total-price').each(function() {
        var total_price = $(this).text().trim(); // Get the total price text
        totalPriceArray.push(total_price); // Push the total price to the array
    });
    console.log(totalPriceArray);
            $.ajax({
                url: "{{ route('updateCurrency') }}",
            type: 'GET',
            data: {
                currency: selectedCurrency,
                id:userId,
                totalPriceArray: JSON.stringify(totalPriceArray), // Convert the array to JSON string                         
                _token: '{{ csrf_token() }}'
            },
            success: function(response) {           
                console.log('Currency updated successfully');
            },
            error: function(xhr) {         
                console.error('Error updating currency');
            }
         }); 



        });

    $('.total-price').each(function() {
        var total_price = $(this).text().trim(); // Get the total price text
        totalPriceArray.push(total_price); // Push the total price to the array
    });