[Dilettante_Pro]

<div style="width:50px;height:50px;border:1px solid black">
   <img src = "https://javascript.ru/cat/list/donkey.gif" style = "display:block">
   <span style = "display:none">Не трогай!</span>
</div>
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  that.style.display = "none";
  next.style.display = "block";
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