View difference between Paste ID: zwA00VAx and DtCB3aSg

 var custComments = [
     ["Comment 1", "User 1"],
     ["Comment 2", "User 2"],
     ["Comment 3", "User 3"],
     ["Comment 4", "User 4"]
 ];
 
 var custMsg = document.getElementById("custtest"); // This grabs the element that this code will append the HTML to
 var baseMessage = custMsg.children[0].cloneNode(true);
 var baseName = custMsg.children[1].cloneNode(true);
 var indexNum = 0; // Pulls the current Index of the 2D array custComments
 var delay = 3000; // Delay in milliseconds (1000ms per second)
-    custMsg.innerHTML = '<p class="custmsg">' + comments[indexNum][0] + '</p><br>' + '<p class="person">' + comments[indexNum][1] + '</p>'; // Ugly but works for now, this will combine the comment and user portions of the array into an HTML element that I can proceed to change the display with CSS
+
 function createSafeElement(baseElement, input) {
     // Create a copy of the node, so that our base remains clean.
     var res = baseElement.cloneNode(true);
     res.appendChild(document.createTextNode(input));
     return res;
 }
 
 function replaceMsg ( comments ) {
     // Because these are customer messages, they are not trustworthy input.  They could contain javascript XSS attacks or similar, so we need to escape them.
     var newMessage = document.createElement('div'); // or 'p' or whatever your "custtest" element actually is
     newMessage.appendChild(createSafeElement(baseMessage, custComments[indexNum][0]));
     newMessage.appendChild(createSafeElement(baseName, custComments[indexNum][1]));
     custMsg = newMessage;
     indexNum += 1; // This part increase the index of the array
     if (indexNum == custComments.length) {
         indexNum = 0;
     } // This if statement will reset the indexNum if it reaches the end of the array
 }
 
 // setInterval(replaceMsg(custComments),delay); This was actually incorrect
 setInterval(function(){replaceMsg(custComments)},delay); // This is the correct syntax