<head>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
  
</head>
<body>
  <button>fadeToggle</button>
<p>
テックアカデミーでfadeToggleを学習してみよう。
</p>
</body>
$("button").click(function(){
  $("p").fadeToggle();
});

External CSS

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External JavaScript

This Pen doesn't use any external JavaScript resources.