Sets the specified property of Axis.
Parameters:var  chart =  new  CanvasJS("container",
{
    .
    . 
    axisX: {
        title: "axisX Title"
    },
    .
    .
});
chart.render();
chart.axisX[0].set("title", "New title for axisX", false);
chart.axisX[0].set("titleFontColor", "red", false);
chart.axisX[0].set("titleFontSize", 26);
Please refer to Axis Element for complete list of properties that can be set via this method.