import * as React from 'react'; import JqxCalendar from 'jqwidgets-scripts/jqwidgets-react-tsx/jqxcalendar'; class App extends React.PureComponent<{}> { private myCalendar = React.createRef(); constructor(props: {}) { super(props); }; public componentDidMount() { const date1 = new Date(); const date2 = new Date(); const date3 = new Date(); date1.setDate(5); date2.setDate(15); date3.setDate(16); // Add special dates by invoking the addSpecialDate method. this.myCalendar.current!.addSpecialDate(date1, '', 'Special Date1'); this.myCalendar.current!.addSpecialDate(date2, '', 'Special Date2'); this.myCalendar.current!.addSpecialDate(date3, '', 'Special Date3'); } public render() { return ( ); } } export default App;