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<!DOCTYPE html>
<html>
<body>
<h2>Finding HTML Elements Using document.forms</h2>
<form action="">
First name: <input type="text" name="fname" value="Donald">
<input type="submit" value="Submit">
</form> 
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML =
"Number of forms: " + document.forms.length;
</script>
</body>
</html>