JavaScript OldFashion

• PrototypeJs - http://www.prototypejs.org/
• MooTools - http://mootools.net
• Sencha - ExtJS - ExtJS
• http://joose.it/ - OO
• stackoverflow - How can I detect if Flash is installed and if not, display a hidden div that informs the user? - Flash가 설치되어 있는지 여부 확인

  var hasFlash = false;
  try {
    var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
    if(fo) hasFlash = true;
  }catch(e){
    if(navigator.mimeTypes ["application/x-shockwave-flash"] != undefined) hasFlash = true;
  }