skillDataHarvester

function skillDataHarvester() {
  // https://wiki.biligame.com/blhx/%E6%8A%80%E8%83%BD
  let
    template = {
      id: "",
      name: "",
      ship_type: "",
      s1: "",
      s2: "",
      s3: "",
      s4: "",
    },
    data = {},
    eff_data = {};
  [...document.querySelectorAll(".wikitable.sortable.jquery-tablesorter>tbody tr")]
    .forEach(tr => {
      let new_data = Object.assign({}, template);
      Object.keys(new_data).forEach((key, i) => {
        new_data[key] = tr.children[i].innerText.trim();
      });
      data[new_data.id] = new_data;
      if (isSkillHaveEff(new_data)) eff_data[new_data.id] = new_data;
    });

  return [data, eff_data]; // [全部技能, 僅技能包含效率的船]

  function isSkillHaveEff(obj) {
    let
      target = ["s1", "s2", "s3", "s4"],
      reg = /效率/;
    return target.some(key => obj[key].match(reg));
  }
}