Bookmarklet to add USD prices to an item page on catalog.onliner.by

onliner-usd-price.bookmarklet.js

javascript:(function(){
  "use strict";

  var $a = $(".b-offers-desc__info-sub > a.b-offers-desc__info-price-value_secondary");
  var byrPricesText = $a.text();
  var byrPrices = byrPricesText.replace(/[^0-9–]/g, "").split("–");

  var currencyText = $("#currency-informer > a > span").text().replace(/[^0-9]/g, "");
  var currency = parseInt(currencyText);

  var usdPrices = [];
  for (var byrPrice of byrPrices) {
    usdPrices.push(Math.round(parseInt(byrPrice) / currency));
  }

  $a.append(" ( $" + usdPrices.join(" – $") + " )");

})();