Calculate money on page https://store.steampowered.com/account/

gistfile1.txt

var result_rub = 0;
var result_dollar = 0;
var result_euro = 0;
jQuery('.transactionRowPrice').each(function() {
  var string_value = $(this).innerText;
  if (string_value.indexOf('pуб.')!=-1) {
    result_rub+= +(string_value.split(' ')[0]).replace(',','.');
  }
  if (string_value.indexOf('$')!=-1) {
    result_dollar+= +string_value.replace('$','').replace('R','').replace(',','.');
  }
  if (string_value.indexOf('€')!=-1) {
    result_euro+= parseFloat(string_value.split(' ')[0]);
  }
});
console.log(result_rub + ' рублей');
console.log(result_dollar + ' $');
console.log(result_euro + ' €');

don't kill me х__х

my jQuery variant: https://gist.github.com/Apa6eC/6799561