gistfile1.html

<div id="slider-value"></div>
<input type="text" data-slider="true" data-slider-values="0,100,500,800">

<script>
  var sliderValues = {
    0: "None",
    100: "Small",
    500: "Medium",
    800: "Large"
  };
  
  $("[data-slider]").bind("slider:changed", function (event, data) {
    $("#slider-value").html(sliderValues[data.value]);
  });
</script>