Dojo - Chart change title

http://stackoverflow.com/questions/16224088/change-dojox-charting-chart-title-after-render

HTML

<link rel="stylesheet" href="http://dojotoolkit.org/documentation/tutorials/1.6/charting/demo/style.css">
<link rel="stylesheet" href="http://dojotoolkit.org/documentation/tutorials/resources/style/demo.css">
<button id="changetitle">Change title</button>
<div id="chartOne"></div>

JavaScript

require(["dojo/query", "dojox/charting/Chart", "dojox/charting/axis2d/Default", "dojox/charting/plot2d/StackedAreas", "dojox/charting/themes/Wetland", "dojo/ready"],

function (query, Chart, Default, StackedAreas, Wetland, ready) {
    function createChart() {
        var c = new Chart("chartOne", {
            title: "First title",
            titleFont: 'Tahoma 10px'
        });
        c.addPlot("default", {
            type: StackedAreas,
            tension: 3
        })
            .addAxis("x", {
            fixLower: "major",
            fixUpper: "major"
        })
            .addAxis("y", {
            vertical: true,
            fixLower: "major",
            fixUpper: "major",
            min: 0
        })
            .setTheme(Wetland)
            .addSeries("Series A", [1, 2, 0.5, 1.5, 1, 2.8, 0.4])
            .addSeries("Series B", [2.6, 1.8, 2, 1, 1.4, 0.7, 2])
            .addSeries("Series C", [6.3, 1.8, 3, 0.5, 4.4, 2.7, 2]);
        return c;
    }

    ready(function () {
        var chart = createChart();

        query("#changetitle").onclick(function () {
            // These 3 don't work
            //c.setTitle("Two");
            //c.setChartTitle("Two");
            //c.set("title", "Two");
            chart.title = new Date().toString();
            chart.fullRender();
        });

        chart.render();
        console.log(chart);
    });
});