get(String propertyName)

Returns the specified property of legend.

• Chart should be rendered before you can use this method.

var  chart =  new  CanvasJS.Chart("container",
{
    .
    .
    legend:{
        // Legend properties
    },
    .
    . 
});
chart.render();
console.log(chart.legend.get("fontSize"));

Properties accessible via get method

Please refer to Legend Element for complete list of properties that can be accessed via get.