[javascript] how to display a javascript var in html body

Use document.write().

_x000D_
_x000D_
<html>_x000D_
<head>_x000D_
  <script type="text/javascript">_x000D_
    var number = 123;_x000D_
  </script>_x000D_
</head>_x000D_
_x000D_
<body>_x000D_
    <h1>_x000D_
      the value for number is:_x000D_
      <script type="text/javascript">_x000D_
        document.write(number)_x000D_
      </script>_x000D_
    </h1>_x000D_
</body>_x000D_
</html>
_x000D_
_x000D_
_x000D_

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