throttle.js

 var throttle = function(timeOutInMs,funct){
   var timer = 0;
   return function(){
     var context = this;
     // no op timer running
     if (timer !== 0){return;}
     var doIt = function(){
       funct.apply(context);
       timer = 0;
     };
     timer = setTimeout(doIt, timeOutInMs);
   };
 };

 var throttledValue = throttle(250,function(){
   console.log("value " + $(this).val());
 });
 
 $("#average-temp-range").on("change", throttledValue);