html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

​

    // create data

    var data = [

      {name:   "European Union", children: [

        {name: "Belgium",        size: 11443830, value: 378},

        {name: "France",         size: 64938716, value: 119},

        {name: "Germany",        size: 80636124, value: 231},

        {name: "Greece",         size: 10892931, value:  85},

        {name: "Italy",          size: 59797978, value: 203},

        {name: "Netherlands",    size: 17032845, value: 505},

        {name: "Poland",         size: 38563573, value: 126},

        {name: "Romania",        size: 19237513, value:  84}, 

        {name: "Spain",          size: 46070146, value:  92},

        {name: "United Kingdom", size: 65511098, value: 271}  

      ]} 

    ];

​

    // create a chart and set the data

    var chart = anychart.treeMap(data, "as-tree");

​

    // set the chart title

    chart.title().useHtml(true);

    chart.title("Treemap: Data (Size and Value)<br><br>" +

                "<span style='font-size:12; font-style:italic'>" +

                "Top 10 Most Populated EU Countries - Population & Population Density</span>");

​

    // set the container id

    chart.container("container");

​

    // initiate drawing the chart

    chart.draw();

});