How to modify bar width of google chart column?

How I can modify the size of bar width of google chart column? I tried to add ‘bar: { groupWidth: "20%" }’ but it does nothing to the chart.

Here is the code that I want to use from google chart:

    <script type="text/javascript" src=""></script>
    <script type="text/javascript">
        google.charts.load('current', {'packages':['bar']});

      function drawChart() {
        var data = google.visualization.arrayToDataTable([
          ['Year', 'Sales', 'Expenses', 'Profit'],
          ['2017', 1030, 540, 350]

        var options = {
          chart: {
            title: 'Company Performance',
            subtitle: 'Sales, Expenses, and Profit: 2014-2017',

        var chart = new google.charts.Bar(document.getElementById('chart_div'));

        chart.draw(data, google.charts.Bar.convertOptions(options));
    <div id="chart_div" style="width: 800px; height: 500px;"></div>

Source: JavaSript – Stack Overflow

November 12, 2021
Category : News
Tags: charts | html | javascript

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Senior Software Developer

Creator of @LzoMedia I am a backend software developer based in London who likes beautiful code and has an adherence to standards & love's open-source.