use debounce instead of throttle

static/js/app.js

@@ -13,7 +13,7 @@ const coinTop50 = {
       }
     },
     created(){
-      this.requestData = _.throttle(this.requestData,500)
+      this.requestData = _.debounce(this.requestData,500)
     },
     mounted() {
       this.requestData(this.date)
@@ -50,7 +50,7 @@ const coinTop50 = {
       },
       displayRoundedPrice(price){
         var precision = -Math.floor( Math.log10(price) + 1);
-        return Math.round(item.prices.toFixed(precision)).toLocaleString();
+        return price.toLocaleString();
       }
     }
   }