taobaoCNYtoGBP

// ==UserScript==
// @name         TaoBao Currency Converter (GBP)
// @namespace    http://andrewiankidd.co.uk/
// @version      0.1
// @description  taobao inline currency converter
// @author       You
// @match        *item.taobao.com/*
// @grant        none
// @require http://code.jquery.com/jquery-latest.js
// ==/UserScript==

(function() {
    'use strict';

    $(document).ready(function(){

        let curCont = $('#J_PromoPrice .tb-rmb');
        let priceCont = $('#J_PromoPrice .tb-rmb-num');
        console.clear();

        logger("getting price");
        let price = priceCont.text().match(/\d+/);
        logger("getting exchange rate");

        $.ajax({
            url: 'https://free.currencyconverterapi.com/api/v5/convert?q=CNY_GBP&compact=ultra',
            type: 'GET',
            async: false,
            success: function(result) {
                let exchangeRate = result;
                console.log(exchangeRate);

                logger("getting newprice");
                let newPrice = (exchangeRate.CNY_GBP * price).toFixed(2);

                logger("price: " + price + ", exchangeRate: " + exchangeRate.CNY_GBP + ", newPrice: " + newPrice);

                curCont.text('£');
                priceCont.text(newPrice);
            }
        });

    });

    function logger(text){
        console.log('[TaoBao Currency Converter] ' + text);
    }

})();