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en.javascript.info/2-ui/1-document/9-attributes-and-custom-properties/1-get-user-attribute/solution.md
Ilya Kantor dce565963b renovations
2015-01-24 23:53:50 +03:00

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<!--+ run height=100 -->
<body>

  <div id="widget" data-widget-name="menu">Выберите жанр</div>

  <script>
    var div = document.getElementById('widget');
 
    var widgetName = div.getAttribute('data-widget-name');
    // или так, кроме IE10-
    var widgetName = div.dataset.widgetName;

    alert( widgetName );  // "menu"
  </script>
</body>