<html>
<body>
<script language="JavaScript">
function function1() {
var m = document.all.myForm.elements(0);
alert("It is a "+'"'+m.type+'"'+" element");
}
</script>
<form id="myForm" method="post" action="">
<input type="text">
<textarea></textarea>
<input type="checkbox" value="checkbox">
<select></select>
<input id="myB"
type="button"
value="What is the first element in the above form?"
onclick="function1();">
</form>
</body>
</html>