USD prices on Onliner catalog

onliner-usd-price.user.js

// ==UserScript==
// @grant      none
// @match      https://catalog.onliner.by/*
// @name       USD prices on Onliner catalog 
// @namespace  https://github.com/phts/
// @version    1.0.2
// ==/UserScript==

setTimeout(() => {
  const rateText = $('.helpers_hide_desktop .js-currency-widget').text().replace(/[^0-9,]/g, '').replace(/,/g, '.')
  const rate = parseFloat(rateText)

  $('.offers-description__price > a').each((i, a) => {
    const $a = $(a)
    const text = $a.text()
    const prices = text.replace(/[^0-9,–]/g, "").replace(/,/g, '.').split("–")
    const usdPrices = prices
      .map(x => parseFloat(x))
      .map(x => x / rate)
      .map(x => x.toFixed(2))
      .map(x => `$${x}`)
    const usdPricesText = ` (${usdPrices.join(' – ')})`
    $a.append(usdPricesText)
  })
}, 2000)