tenjin.web

keydown、keypressイベントのブラウザ毎の挙動の違い - Enjoy*Study
http://d.hatena.ne.jp/onozaty/20070801/p1

keyイベント(keypress,keyup,keydown)の確認
http://www.enjoyxstudy.com/misc/20060624/event_view.html

function Cat(name){
 this.name = name;
 this.mew = function(){
   return this.name + ': mew!';
 };
}

Cat.prototype = {
  mew : function(){
    return 'mew';
  }
}

String.prototype.wrap = function(){
  return '(' + this + ')';
}