requirejs-jquery/index.html

<!DOCTYPE html>
<html>

<head>
  <title>DevExtreme with RequireJS and jQuery example</title>

  <link rel="stylesheet" type="text/css" href="devextreme_amd/dist/css/dx.common.css" />
  <link rel="stylesheet" type="text/css" href="devextreme_amd/dist/css/dx.light.css" />
  <script src="node_modules/requirejs/require.js"></script>
</head>

<body>
  <div style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%)">
    <div id="myButton"></div>
  </div>

  <script>
    require.config({
      paths: {
        "jquery": "node_modules/jquery/dist/jquery",
        "devextreme": "devextreme_amd"
      }
    });

    require(["jquery", "devextreme/ui/dialog", "devextreme/ui/button", "devextreme/integration/jquery"], function($, dialog) {

      $("#myButton").dxButton({
        text: "Say 'Hello world'",
        onClick: function() {
          dialog.alert('Hello world!', '', false);
        }
      });

    });
  </script>
</body>

</html>