Code
<!DOCTYPE html>
<html>
        <head>
                <title>html tutorial - html5 - html code - html form - In 30Sec by Microsoft Award MVP - | wikitechy onhashchange attribute </title>
        </head>
        <body onhashchange="onHashChange()">                
                <p id="tutorial">Wikitechy Tutorials lear code in wikitechy</p>
                <a href="#tutorial">Click here to check onhashchange attribute</a>
                <script>
                function onHashChange() {
                        alert("onhashchange called!");
                }
                
</script>
        </body>
</html>

Result