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<html>
<body>
<form name="form1" method="post" action="">
<input type="text" name="textfield">
</form>
<form name="form2" method="post" action="">
<input type="button" value="Only a sample button" onclick="return false">
</form>
<form name="form3" method="post" action="">
<input type="checkbox" name="checkbox" value="checkbox">
</form>
<button onclick="function1()">Click here</button>
<script language="JavaScript">
function function1() {
var m = document.forms.length;
alert("There are "+m+" forms in this document")
}
</script>
</body>
</html>
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