gistfile1.txt

function p2(text){
  return text < 10 ? "0"+text : text;
}
function getContainedNode(node){
  var p = node;
  while(p){
    if(p && p.classList){

      if(p.classList.contains("UFIComment")){
        return {type:"comment",node:p};
      }

      if(p.classList.contains("userContentWrapper")){
        return {type:"post",node:p};
      }
    }
    p = p.parentNode;
  }
  return null;
}

var p = window.getSelection();
var content =  p.anchorNode.data.trim() || p.extentNode.data.trim() || p.anchorNode.innerText;
var text = content.substring(p.anchorOffset,p.extentOffset);
var container = getContainedNode(p.anchorNode);

console.log(text);
if(!container ){
  alert("no contained comment or post ");
}

var res = "",now = new Date();
if(container.type == "comment"){
  var author = container.node.querySelectorAll(".UFICommentActorName")[0].innerText;
  var timenode = container.node.querySelectorAll("[data-utime]")[0];
  var link = timenode.parentNode;
  var time = new Date(parseInt(timenode.dataset.utime,10)*1000);

  var timezone = -1* (now.getTimezoneOffset()/60);

  res = ("# "+ author+
    "\n## articles" +
    "\n### "+
    time.getFullYear()+"/"+p2(time.getMonth()+1)+"/"+p2(time.getDate())+" "+
    p2(time.getHours())+":"+p2(time.getMinutes())+" GMT"+p2(timezone > 0 ? "+"+timezone :"-"+timezone)+":00"
    +" "+link.href+"\n- "+text);
  console.log("# "+ author+"\n### "+time+"\n"+link.href+"\n-"+text);
}else{
  var author = container.node.querySelectorAll("[aria-owns]")[0].innerText;
  var timenode = container.node.querySelectorAll("[data-utime]")[0];
  var link = timenode.parentNode;
  var time = new Date(parseInt(timenode.dataset.utime,10)*1000);

  var timezone = -1* (now.getTimezoneOffset()/60);

  res = ("# "+ author+
    "\n## articles" +
    "\n### "+
    time.getFullYear()+"/"+p2(time.getMonth()+1)+"/"+p2(time.getDate())+" "+
    p2(time.getHours())+":"+p2(time.getMinutes())+" GMT"+p2(timezone > 0 ? "+"+timezone :"-"+timezone)+":00"
    +" "+link.href+"\n- "+text);
  console.log("# "+ author+"\n### "+time+"\n"+link.href+"\n-"+text);
}

console.log(res);