FaceBookMessange MemoTool

js.js

(function(){
  var id = 'nikukyu';
  sessionStorage.setItem(id, JSON.stringify({msg:[]}));
  var makebtn = function(){
    var btn =  document.createElement("button");
    btn.innerText = "メモAdd";
    btn.onclick=function(e){
      var ary = JSON.parse(sessionStorage.getItem(id)).msg;
      var msg =e.srcElement.parentElement.querySelector('.clearfix').innerText; 
      ary.push(msg);
      sessionStorage.setItem(id, JSON.stringify({msg:ary}));
      e.srcElement.textContent = 'Done';
      e.srcElement.disabled = false;
      window.test =  e.srcElement;
    }
    return btn;
  };

  var dom = document.querySelectorAll('.webMessengerMessageGroup');
  Object.keys(dom).forEach(function(key){
    dom[key].appendChild(makebtn());
  });

  document.querySelector('#js_q').appendChild((function(){
    var btn =  document.createElement("button");
    btn.innerText = "CALL MESSAGE";
    btn.onclick=function(e){
      var ary = JSON.parse(sessionStorage.getItem(id)).msg;
      ary.forEach(function(data){
        console.log(data);
      })
    }
    return btn;
  })());
  
})()