html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    // To change the way how context menu looks you need to change CSS.

    // By default CSS from AnyChart CDN is used: https://cdn.anychart.com/css/7.14.3/anychart-ui.css

    // Download it, alter, upload to your server and link from your pages to change the look.

​

    var chart = anychart.line([1, 2, 1.3, 2.9]);

​

    // Get context menu.

    var contextMenu = chart.contextMenu();

​

    contextMenu.itemsFormatter(function (items) {

        items.push({

            text: "Custom Context Menu Item",

            action: actionHandler

        });

​

        return items;

    });

​

    function actionHandler() {

        alert("Custom Item Clicked");

    }

​

    chart.title("Get and modify context menu. Right-click on the chart.");

    chart.container("container");

    chart.draw();

});