text: window.onload = function () {
    var aitlInput = document.getElementById("textarea-aitl");
    var ipaInput = document.getElementById("textarea-ipa");
  
    function save() {
      localStorage.setItem("aitl-input", aitlInput.value);
    }
  
    function load() {
      aitlInput.value = localStorage.getItem("aitl-input") || "";
      ipaInput.value = toIpa(aitlInput.value);
    }
  
    load();
  
    aitlInput.onkeyup = function () {
      ipaInput.value = toIpa(aitlInput.value);
      save();
    };
    ipaInput.onkeyup = function () {
      aitlInput.value = fromIpa(ipaInput.value);
      save();
    };
  };
  