<form>
<input id="Name" type="text" name="Name">
<input id="Ausgabe" type="submit" value="Ausgabe">
                <p id="yournamehas" class="ptags">Your Name has:</p>
                <p id="lname" class="ptags"></p>
                <p id="Characters" class="ptags"> Characters</p>
</form>

function namelength() {
         var Namee = document.getElementById('#Name').value.length
         document.getElementById('lname').innerHTML = Namee
};

function ausgabe() {
    $("#Ausgabe").on("click",function(){
        {
            document.getElementById("#Ausgabe").innerHTML =
                namelength();
        }
    })
};