html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

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

stage.rect(0, 0, stage.width(), stage.height());

​

// Gets stage width.

var width = stage.width();

​

stage.text(50, 10, 'The stage width: ' + width);