JSFiddle - React, Tailwind, and code Playground

by Flexmonster Pivot Table

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="pivotContainer"></div>

JavaScript

var pivot = new Flexmonster({
  container: "pivotContainer",
  componentFolder: "https://cdn.flexmonster.com/",
  toolbar: true,
  report: {
    dataSource: {
      filename: "data/data.json"
    }
  },
  beforetoolbarcreated: customizeToolbar
});

function customizeToolbar(toolbar) {
  let tabs = toolbar.getTabs();
  toolbar.getTabs = function() {

    let exportTab = tabs.filter(tab => {
      return tab.title == "Export";
    });

    exportTab["0"].menu = exportTab["0"].menu.filter(item => {
      return item.title == "To Image" ||
        item.title == "To PDF";
    });

    exportTab["0"].menu[1].handler = function() {
      let headerCaption = prompt("Enter your header: ");
      pivot.exportTo('pdf', {
        header: headerCaption
      });
    }

    return tabs;
  }
}