scrape-meisai.js

function numerize(numeric) {
  return Number(numeric.trim().replace(/,\s*/, ''));
}

function getNetTotal() {
  var contents = document.getElementById('contents');
  var totalTable = contents.querySelector('table:last-child');
  var total = totalTable.querySelector('tr:last-child td:last-child').textContent;
  return numerize(total);
}

function getTotalDeduction() {
  var contents = document.getElementById('contents');
  var deductionTable = contents.querySelector('table:nth-child(3)');
  var total = deductionTable.querySelector('tr:last-child td:last-child').textContent;
  return numerize(total);
}

function object2JSONDataURInize (object) {
  var json = JSON.stringify(object);
  var chunk = '';
  chunk += 'data:application/json,';
  chunk += json;
  return chunk;
}

+function () {
  var result = {
    netTotal: getNetTotal(),
    deductionTotal: getTotalDeduction(),
  };
  var uri = object2JSONDataURInize(result);
  window.open(uri);
}();