 <h1>Histogram</h1>
        <div class="chart" id="histogram"></div>
        <h1>Profit</h1>
        <div class="chart" id="profit"></div>
        <h1>Error Chart (Cartesian Bar)</h1>
        <div class="chart" id="errorChart-cartesian-bar"></div>
        <h1>Error Chart (Cartesian Scatter)</h1>
        <div class="chart" id="errorChart-cartesian-scatter"></div>
        <h1>Bar layout</h1>
        <div class="chart" id="errorChart-cartesian-bar-multi"></div>
        <h1>Cartesian Polygon</h1>
        <div c