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en.javascript.info/2-ui/1-document/06-attributes-and-properties/1-get-user-attribute/solution.md
Ilya Kantor 508969c13f up
2017-02-28 12:54:48 +03:00

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<!DOCTYLE HTML>
<html>
<body>

  <div data-widget-name="menu">Choose the genre</div>

  <script>
    // getting it
    let elem = document.querySelector('[data-widget-name]');

    // reading the value
    alert(elem.dataset.widgetName);
    // or
    alert(elem.getAttribute('data-widget-name'));
  </script>
</body>
</html>