Demo jQuery Knob canvas based ; no png or jpg sprites. touch, mouse and mousewheel, keyboard events implemented. downward compatible ; overloads an input element. Example <input type="text" value="75" class="dial"> <script> $(function() { $(".dial").knob(); }); </script> Options Options are provided as attributes ‘data-option’: <input type="text" class="dial" data-min="-50" data-max="50"> … or in