html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

var stage = acgraph.create("container");

​

var simpleLayer = stage.layer();

​

var firstGreenElement = simpleLayer.ellipse(75, 105, 55, 35);

firstGreenElement.fill("#4CAF50", 1);

​

var firstYellowEllipse = simpleLayer.ellipse(95, 75, 55, 35);

firstYellowEllipse.fill("#FFEB3B", 1);

​

var firstRedEllipse = simpleLayer.ellipse(115, 45, 55, 35);

firstRedEllipse.fill("red", 1);

​

// Gets number of children.

var number = simpleLayer.numChildren();

​

stage.text(0, 0, "Number of children is " + number);