小编Cod*_*ert的帖子

(function(){
  var elemArray = [];
  var elemCount = 10000;
  //create 10000 elements and append to the dom tree
  var create = function(){
    var i = 0;
    var zone = document.getElementById("zone");
    for(;i<=elemCount;i++){
      var div = document.createElement("div");
      div.id = "div" + i;
      div.innerHTML = "the " + i + " div";
      zone.appendChild(div);
    }
  };
  document.getElementById("create").addEventListener("click",create,false);

  var clear = function(){
    var zone = document.getElementById("zone");
    zone.innerHTML = "";
  };
  document.getElementById("clear").addEventListener("click",clear,false); …