JSFiddle - React, Tailwind, and code Playground

by cchana

HTML

<script src="http://www.google.com/jsapi?fake=.js"></script>
<div id="chart_div" style="width: 900px; height: 500px;"></div>

JavaScript

// Load the Visualization API and the piechart package.
google.load('visualization', '1.0', {
    'packages': ['corechart']
});

// Set a callback to run when the Google Visualization API is loaded.
google.setOnLoadCallback(drawChart);

// Callback that creates and populates a data table,
// instantiates the pie chart, passes in the data and
// draws it.


function drawChart() {

    var origData = [
        ['Mary', '10/10/1991'],
        ['Peter', '07/12/1991'],
        ['Jacob', '06/05/1992'],
        ];
    var transformedData = [];

    for (var i = 0; i < origData.length; i++) {
        transformedData[i] = [origData[i][0], parseInt(origData[i][1].substring(origData[i][1].length - 4, origData[i][1].length))]
    }

    //console.log(origData);
    //var transformedData = origData;
    // Create the data table.
    var data = new google.visualization.DataTable();
    data.addColumn('string', 'Student');
    data.addColumn('number', 'Date');
    data.addRows(transformedData);

    var options = {};

    // Instantiate and draw our chart, passing in some options.
    var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
    chart.draw(data, options);

}