(function () { function addLiveChatAlt() { document.querySelectorAll( 'img[src*="mylivechat.com/Customization/Template/WidgetOnlineImage"]' ).forEach(function (img) { if (!img.hasAttribute('alt')) { img.setAttribute('alt', 'Live chat support'); } }); } addLiveChatAlt(); new MutationObserver(addLiveChatAlt).observe( document.documentElement, { childList: true, subtree: true } ); })();