Change from hash to query string.

js/scripts.js

@@ -8,8 +8,8 @@ function get_prices_from_localstorage() {
   return sell_prices;
 }
 
-function get_prices_from_hash() {
-  const params = new URLSearchParams(window.location.hash.substr(1));
+function get_prices_from_query() {
+  const params = new URLSearchParams(window.location.search.substr(1));
   const sell_prices = params.get("prices").split(".").map((x) => parseInt(x, 10));
 
   if (!Array.isArray(sell_prices) || sell_prices.length !== 14) {
@@ -22,7 +22,7 @@ function get_prices_from_hash() {
 $(document).ready(function () {
   try {
     // load sell_prices from URL hash first, then local storage
-    const sell_prices = get_prices_from_hash() || get_prices_from_localstorage();
+    const sell_prices = get_prices_from_query() || get_prices_from_localstorage();
 
     if (sell_prices == null) {
       return;
@@ -71,7 +71,8 @@ $(document).on("input", function() {
 
   localStorage.setItem("sell_prices", JSON.stringify(sell_prices));
   const params = {"prices": sell_prices.map((x) => isNaN(x) ? "" : x).join(".")};
-  window.location.hash = (new URLSearchParams(params)).toString();
+  const query_string = `?${new URLSearchParams(params).toString()}`;
+  window.history.replaceState(null, null, query_string);
 
   const is_empty = sell_prices.every(sell_price => !sell_price);
   if (is_empty) {