<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<script type="text/javascript" src="script.js"></script>
</head>
<body>
<div id="divId">
<span id="spanId">Привет</span><br>
<input id="inputId1"><br>
<input id="inputId2"><br>
<span id="result"></span>
</div>
</body>
</html>
this.onchange=function() {
document.getElementById('result').innerHTML+=this.id;
}