total = function ()
    {
        var c = 0;

        pool.forEach(function (container)
        {
            if (container.parent)
            {
                c++;
            }
        });

        return c;
    }
Gets the total number of used canvas elements in the pool.

@function Phaser.Display.Canvas.CanvasPool.total
@since 3.0.0

@return {number} The number of used canvases.