html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    // create data set on our data

    var dataSet = anychart.data.set([

        ['Jan.', 51, 125, 12],

        ['Feb.', 91, 132, 9],

        ['Mar.', 34, 141, 13],

        ['Apr.', 47, 158, 21],

        ['May', 63, 133, 19],

        ['June', 58, 143, 23],

        ['July', 56, 176, 4],

        ['Aug.', 77, 194, 34],

        ['Sep.', 99, 115, 24],

        ['Oct.', 106, 134, 10],

        ['Nov.', 88, 110, 6],

        ['Dec.', 56, 91, 19]

    ]);

​

    // map data for the first series, take x from the zero column and value from the first column of data set

    var seriesData_1 = dataSet.mapAs({'x': 0, 'value': 1});

​

    // map data for the second series, take x from the zero column and value from the second column of data set

    var seriesData_2 = dataSet.mapAs({'x': 0, 'value': 2});

​

    // map data for the third series, take x from the zero column and value from the third column of data set

    var seriesData_3 = dataSet.mapAs({'x': 0, 'value': 3});

​

    // create line chart

    var chart = anychart.line();

​

    // turn on chart animation

    chart.animation(true);

​

    // turn on the crosshair

    chart.crosshair().enabled(true).yLabel().enabled(false);

    chart.crosshair().enabled(true).yStroke(null);

​

    // set y axis title

    chart.yAxis().title('Amount of comments collected');

​

    // create first series with mapped data

    var series_1 = chart.stepLine(seriesData_1);

    series_1.name('Grateful').hovered().markers().enabled(true).type('circle').size(4);

​

    // create second series with mapped data

    var series_2 = chart.stepLine(seriesData_2);

    series_2.name('Neutral').hovered().markers().enabled(true).type('circle').size(4);

​

    // create third series with mapped data

    var series_3 = chart.stepLine(seriesData_3);

    series_3.name('Disgruntled').hovered().markers().enabled(true).type('circle').size(4);

​

    // turn the legend on

    chart.legend().enabled(true).fontSize(13).padding([0, 0, 20, 0]);

​

    // set container id for the chart

    chart.container('container');

​

    // initiate chart drawing

    chart.draw();

});