html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

​

    // create a data set

    var data = anychart.data.set([

      ["January", 12000, 10000, 7000, 11000],

      ["February", 15000, 12000, 9000, 13000],

      ["March", 16000, 15000, 14000, 12000],

      ["April", 15000, 11000, 13000, 10000],

      ["May", 10000, 9000, 11000, 6000]

    ]);

​

    // map the data

    var seriesData1 = data.mapAs({x: 0, value: 1});

    var seriesData2 = data.mapAs({x: 0, value: 2});

    var seriesData3 = data.mapAs({x: 0, value: 3});

    var seriesData4 = data.mapAs({x: 0, value: 4});

​

    // create a chart

    var chart = anychart.line();

​

    // create series, set the data and names

    var series1 = chart.line(seriesData1);

    var series2 = chart.line(seriesData2);

    var series3 = chart.line(seriesData3);

    var series4 = chart.line(seriesData4);

    series1.name("2015");

    series2.name("2016");

    series3.name("2017");

    series4.name("2018");

​

    // add meta-information about the series

    series1.meta({sales: series1.getStat("sum"), top: "John Doe"});

    series2.meta({sales: series2.getStat("sum"), top: "Richard Roe"});

    series3.meta({sales: series3.getStat("sum"), top: "Larry Loe"});

    series4.meta({sales: series4.getStat("sum"), top: "Marta Moe"});

​

    // enable the legend

    chart.legend(true);

​

    // enable and configure the legend tooltip

​

    var legendTooltip = chart.legend().tooltip();

​

    legendTooltip.enabled(true);

    legendTooltip.title(true);

    legendTooltip.separator(true);

​

    legendTooltip.titleFormat(function() {

      return this.value;

    });

    legendTooltip.format(function() {

      return "Total Sales: $" + this.meta.sales +

             "\nTop Seller: " + this.meta.top;

    });

​

    // set the chart title

    chart.title("Legend: Tooltip (Formatting Functions)");

​

    // set the container id

    chart.container("container");

​

    // initiate drawing the chart

    chart.draw();

});