cocos2d-html5/test/layers/LayerTest1.js

Cocos2d-HTML5 core package

var LayerTest1 = cc.Layer.extend({
    ctor : function(){
        this._super();

        var winSize = cc.Director.getInstance().getWinSize();
        var layer = cc.LayerColor.create(cc.c4b(255, 0, 0, 128), 200, 200);

        layer.ignoreAnchorPointForPosition(false);
        layer.setPosition(winSize.width / 2, winSize.height / 2);
        this.addChild(layer, 1, 1);
        this.scheduleOnce(this.updateSize, 2);
    },

    updateSize:function(){
        var l = this.getChildByTag(1);
        l.setContentSize(400,400);
        l.setColor(cc.c3b(0,255,0));
        l.setOpacity(127);
    }
});

LayerTest1.create = function(args){
    var layer = new LayerTest1();
    return layer.init() ? layer : null;
};