DOM Manipulation

by Ryan Brewer

HTML

<body>
    <div id="conversation"></div>
</body>

JavaScript

function refresh() {
    var old = document.getElementById("conversation").innerHTML;
    var message = document.createElement("IMG");
    if (old != message) {
        alert("Old:\n" + old);
        alert("New:\n" + message);
        //alert("Refreshed!");
        document.getElementById("conversation").innerHTML = message;
    }

}

var myVar = setInterval(function () {
    refresh();
}, 1000);