Number field type maximum 10 digit using jquery

<input name="phone" id="phone" placeholder="Mobile Number" class="form-control" type="number" required>

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script>
$("#phone").keydown(function(event) {
  k = event.which;
  if ((k >= 96 && k <= 105) || k == 8) {
    if ($(this).val().length == 10) {
      if (k == 8) {
        return true;
      } else {
        event.preventDefault();
        return false;

      }
    }
  } else {
    event.preventDefault();
    return false;
  }

});
</script>