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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>jquery namespace test</title>
</head>
<body>
  <div id="container">
    <div class="namespace1">
      <div class="box">box1</div>
      <div class="box">box2</div>
      <div class="box">box3</div>
    </div>
    <div class="namespace2">
      <div class="box">box1</div>
      <div class="box">box2</div>
      <div class="box">box3</div>
    </div>
  </div>
  <input class="button" type="button" value="Trigger NameSpace1" />
</body>
</html>