Why CreateJS don't drawing?
<p>I can not find the error in this code . Please help me. I did everything according to the documentation.</p>

<pre><code>var point;
var width = 10;
var height = 20;
var tilesz = 24;
var canvas = document.getElementById("board");
var stage = new createjs.Stage(canvas);

genField();

function genField () {
    point = new createjs.Shape();
    for (var y = 0; y &lt; height; y++) {
        for (var x = 0; x &lt; width; x++) {
            point.graphics.beginStroke("#555");
            point.graphics.drawCircle(x*tilesz, y*tilesz, tilesz);
        }
     }

}
</code></pre>