readonly 에 나오는 값은 콤마를 찍어줄 수 없을까요? 채택완료

</p>

<p><div class="form-group">

    <label class="control-label" for="final_price">인수가</label><span style="color: #ef0000;">*</span></label>

    <div class="input-group">

        <div id="final_price" class="form-control" style="height: 50px; padding-right: 60px;"></div>

        <div class="input-group-text">

            <span class="input-group-won">원</span>

        </div>

    </div>

</div>

</p>

<p>function updateCommasOnReadOnly(inputElement) {

    const value = inputElement.textContent.replace(/,/g, '');

    const formattedValue = numberWithCommas(value);

    inputElement.textContent = formattedValue;

}</p>

<p>function addCommasToReadOnlyInputs() {

    updateCommasOnReadOnly(finalPriceInput);

}</p>

<p>const finalPriceInput = document.getElementById('final_price');</p>

<p>window.addEventListener('load', function() {

    addCommasToReadOnlyInputs();

});