JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://s3.amazonaws.com/flexmonster/2.3/demo.css">
<script src="https://cdn.flexmonster.com/flexmonster.js"></script>

<div id="pivot-container"></div>

JavaScript

var data = [{
  "subject": "Math",
  "name": "abc",
  "score": 21,
}, {
  "subject": "Math",
  "name": "xyz",
  "score": 22,
}, {
  "subject": "Physics",
  "name": "abc",
  "score": 31,
}, {
  "subject": "Physics",
  "name": "xyz",
  "score": 32,
}, {
  "subject": "Chemistry",
  "name": "abc",
  "score": 41,
}, {
  "subject": "Chemistry",
  "name": "xyz",
  "score": 42,
}];

new Flexmonster({
  container: "#pivot-container",
  componentFolder: "https://cdn.flexmonster.com/",
  width: "100%",
  height: 550,
  toolbar: true,
  report: {
    "dataSource": {
      "data": data
    },
    "options": {
      "configuratorActive": true
    },
    "slice": {
      "rows": [{
        "uniqueName": "name",
        "caption": "Name"
      }],
      "columns": [{
          "uniqueName": "subject",
          "caption": "Subject"
        },
        {
          "uniqueName": "[Measures]"
        }
      ],
      "measures": [{
          "uniqueName": "score",
          "aggregation": "sum",
          "caption": "Score"
        }
      ]
    }
  }
});