gistfile1.txt

var Editor = function(el){
  this.element = el
  this.cursors = []
  this.lines = []
  this.creatLine = function (linenum){
    var that = this
    var el = document.createElement("p")
    el.addEventListener("click",function(){
      that.lines.push(el)
      console.log(that.lines)
      return that.lines
    },true);
    this.element.appendChild(el)
  }
}
var edit
window.onload = function(){
    edit = new Editor(document.getElementsByClassName("editor")[0])
}