web strage

by yshrkn

HTML

<textarea name="" id="note" cols="30" rows="10"></textarea>
<input type="button" id="save" value="保存">
<p>最終保存日時:<span id="lasttime"></span></p>

JavaScript

function saveNote() {
  console.log("メモ保存");
  var note = document.getElementById("note").value;
  localStorage.setItem("note", note);

  var nowDate = new Date();
  localStorage.setItem("note_last_save", nowDate);

  document.getElementById("lasttime").innerHTML = nowDate;
}

window.onload = function() {

  document.getElementById("save").addEventListener("click", saveNote, false);

  var note = localStorage.getItem("note");
  document.getElementById("note").value = note;

  var lastSave = this.localStorage.getItem("note_last_save");
  document.getElementById("lasttime").innerHTML = lastSave;
};