anychart.onDocumentReady(function () {
var chart = anychart.line();
chart.line([10, 4, 17, 20, 16, 35, 6, 15]);
chart.title("Click on the chart. You have 3 clicks.");
var listenKey = chart.listen("click", customListener);
function customListener(e) {
chart.title("Click on the chart. You have " + counter + " clicks.");
chart.unlistenByKey(listenKey);
chart.title("You have no more clicks");
chart.container("container");