JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.google.com/jsapi?.js"></script>
<div id="schedule"></div>

JavaScript

function drawChart() {
    // Set Data Source
    var query = new google.visualization.Query('https://docs.google.com/a/redvespa.com/spreadsheet/tq?key=0Aq4kEViSS7iEdGk1QjdIYmFxSlBDbzg4aHFJM0pzM3c&usp=drive_web#gid=0');
    // Set Query for Data Source
    query.setQuery('SELECT B,C,D,E WHERE D is not null AND E is not null and D != "" AND E != ""');
    // Send the query with callback function
    query.send(handleQueryResponse);
}
function handleQueryResponse(response) {
    // Handle Query errors
    if (response.isError()) {
        alert('Error in query: ' + response.getMessage() + ' ' + response.getDetailedMessage());
        return;
    }
    // Draw Chart
    var data = response.getDataTable();
    
    var view = new google.visualization.DataView(data);
    view.setColumns([0, 1, {
        type: 'date',
        label: data.getColumnLabel(2),
        calc: function (dt, row) {
            var date = dt.getValue(row, 2);
            if (date == '' || date == null) {
                return null;
            }
            else {
                var dateArr = date.split('/');
                var day = dateArr[0];
                var month = dateArr[1] - 1; // convert to javascript's 0-indexed months
                var year = dateArr[2];
                return new Date(year, month, day);
            }
        }
    }, {
        type: 'date',
        label: data.getColumnLabel(3),
        calc: function (dt, row) {
            var date = dt.getValue(row, 3);
            if (date == '' || date == null) {
                return null;
            }
            else {
                var dateArr = date.split('/');
                var day = dateArr[0];
                var month = dateArr[1] - 1; // convert to javascript's 0-indexed months
                var year = dateArr[2];
                return new Date(year, month, day);
            }
        }
    }]);
    var container = document.getElementById('schedule');
    var chart = new...