The blocks are linked together to create a history.
Card trading — Trade Pokémon cards with other players and get expert tips on how to play from event leaders.，这一点在爱思助手下载最新版本中也有详细论述
Iframes and the Shadow DOM。夫子对此有专业解读
Александр Курбатов (редактор отдела «Бывший СССР»)