<!DOCTYPE html>
<html>
<head>
<script>
function TheinnerHTML() {
for (var i = 0; i < document.anchors.length; i++)
document.getElementById("pid").innerHTML += document.anchors[i].innerHTML + "<br />";
}
</script>
</head>
<body>
<a name="a" href="#">CSS</a><br />
<a name="b" href="#">HTML</a><br />
<a name="c" href="#">JavaScript</a><br />
<a name="d" href="#">PHP</a><br />
<br />
<input type="button" onclick="TheinnerHTML()" value="innerHTML">
<p id="pid"></p>
</body>
</html>