Contatore in sessione Locale

<!DOCTYPE html> 
<html> 
<body> 
 
<div id="result">Chi sono</div> 
 
<div id="result2">Contatore</div> 
 
<script> 
// Check browser support 
if (typeof(Storage) !== "undefined") { 
// Store 
sessionStorage.setItem("lastname", "Paolo vb6access@hotmail.com"); 
// Retrieve 
document.getElementById("result").innerHTML = sessionStorage.getItem("lastname"); 
} else { 
document.getElementById("result").innerHTML = "Sorry, your browser does not support Web Storage..."; 
} 
 
 
if (localStorage.clickcount) { 
localStorage.clickcount = Number(localStorage.clickcount) + 1; 
} else { 
localStorage.clickcount = 1; 
} 
document.getElementById("result2").innerHTML = "Hai visitato la pagina " + 
localStorage.clickcount + " volte !!."; 
 
 
 
</script> 
 
</body> 
</html>