test.html

<!DOCTYPE html>
<html>
<head>
    <title>plugin test</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="initial-scale=1"/>
    <script type="text/javascript" src="jquery.min.js"></script>
    <script type="text/javascript" src="./build/reporttable.js"></script>
</head>
<body>

<button onclick="window.load1()">Load</button>
<div id="c1"></div>
<div id="c2"></div>
<div id="c3"></div>

<script>

    reportTablePlugin.url = '//localhost:8080';
    reportTablePlugin.username = 'admin';
    reportTablePlugin.password = 'district';
    reportTablePlugin.spinner = true;

    window.c1 = { id: 'C0rhAq1oklh', el: 'c1' };
    window.c2 = { id: 'xIWpSo5jjT1', el: 'c2' };
    window.c3 = { id: 'jIISuEWxmoI', el: 'c3' };

    window.load1 = function() {
        reportTablePlugin.add(c1, c2);
        reportTablePlugin.load();
        reportTablePlugin.load([c3]);
    };

</script>

</body>
</html>