Cocos load image from url

main1.js

 // see http://discuss.cocos2d-x.org/t/cocos2d-js-3-6-1-load-image-from-url/21744
 
    downloadCompleted : function(texture)
    {
        var sprite = new cc.Sprite(texture);
        sprite.x = 200;
        sprite.y = 200;
        this.addChild(sprite);
    },
    
cc.textureCache.addImageAsync("http://i.imgur.com/tT3sO9M.jpg", this.downloadCompleted, this);

main2.js

// see https://github.com/iyou/paohuzi/blob/aa9f09fe01cd29875e612a5d6287ba8d0a4e861f/client/src/engin/util/HttpRequest.js
// and http://prog3.com/sbdm/blog/alex8046/article/details/48548355

    LoadImgFromUrl: function (target, imgUrl, pos, tag){
        if(!imgUrl) return;
        var Self = target;
        var loadCb = function(err, IMG){
            cc.textureCache.addImage (imgUrl);
            var texture2d = new cc.Texture2D ();
            texture2d.initWithElement (IMG);
            texture2d.handleLoadedTexture ();
            var sp = new cc.Sprite ();
            sp.initWithTexture(texture2d);
            Self.addChild (sp);
            sp.x = pos.x;
            sp.y = pos.y;
            sp.tag = tag;
        };
        cc.loader.loadImg (imgUrl, {isCrossOrigin: true }, loadCb);
    },

this.LoadImgFromUrl(this, "http://i.imgur.com/tT3sO9M.jpg", cc.p(100, 100), 9999);

Note: Server must have Access-Control-Allow-Origin header!
Example server: load image from i.imgur.com