<p><label for="range_weight">Number 1: </label> <input type="range" name="num1"  class="slider" min="-15" max="15" value="-10">
  <span  class="slider_label"></span></p>

<p><label for="range_weight">Number 2: </label> <input type="range" name="num2" class="slider" min="0.001" max="1" value="0.05" step="0.001">
  <span  class="slider_label"></span></p>

body
{
  font-family:sans-serif;
}
$(function()
{
$('.slider').on('input change', function(){
          $(this).next($('.slider_label')).html(this.value);
        });
      $('.slider_label').each(function(){
          var value = $(this).prev().attr('value');
          $(this).html(value);
        });  
  
  
})

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js