function resizeIframe(obj) {
            obj.style.height = obj.contentWindow.document.documentElement.scrollHeight + 'px';
        }

        function sappendHtmlv2(targetElement, htmlString) {

            // Check if the target element exists
            if (targetElement) {
                targetElement.insertAdjacentHTML('beforeend', htmlString);
            } else {
                console.error( 'Element not found' );
            }
        }