gtm , event , inserthtml

<script>
var myVar;
function displayFrontline(){
var m = document.getElementById("idmeVerify-wrapper");
var img = "<img style='position:relative; bottom:-15px;padding-left:5px;' src='https://images.superatv.com/frontline5.png' alt='Military, First Responders and Nurses get 5% discount on all orders'/>";
var header = "<span style='font-family:Roboto; font-weight:medium; font-size:18pt; color:#444444;'>SIGNUP FOR THE"+img+" DISCOUNT</span>";
//alert(m);
if(m.innerHTML.indexOf('frontline5.png') == -1)
{
m.insertAdjacentHTML('afterbegin', header);
}
}
myVar = setTimeout(displayFrontline, 1000);
</script>