We can find how many anchor <a> tags are present in page using
document.anchors.length using javascript DOM ELEMENTS.
<body>
<p>
<a name="dotnet">DotNetFunda</a><br />
<a name="online tutorial">TechFunda</a>
</p>
<p id="demo"></p>
<script>
document.getElementById('demo').innerHTML = "Number of anchor tags are:" + document.anchors.length;
</script>
</body>
OUTPUT appears as
Number of anchor tags are :2