Yes it's the same as an if check. The reason the code is duplicated is because gadget sites have 2 holders. The second time it's called it should return the other one.
-----Henry Saputra <henry.sapu...@gmail.com> wrote: ----- ================= To: dev@shindig.apache.org@IBMUS@LOTUS From: Henry Saputra <henry.sapu...@gmail.com> Date: 03/22/2012 06:52PM Cc: IBMUS@LOTUS Subject: Question about gagdet_site.js GadgetSite.close impl for close() function ======================= In the gadget_site.js file there is this function: /** * @inheritDoc */ osapi.container.GadgetSite.prototype.close = function() { osapi.container.Site.prototype.close.call(this); // super.close(); if (this.loadingGadgetEl_ && this.loadingGadgetEl_.firstChild) { this.loadingGadgetEl_.removeChild(this.loadingGadgetEl_.firstChild); } // dispose of our other holder. var holder = this.getActiveSiteHolder(); holder && holder.dispose(); }; The parent site.js has this: /** * Closes this site. */ osapi.container.Site.prototype.close = function() { if (this.el_ && this.el_.firstChild) { this.el_.removeChild(this.el_.firstChild); } var holder = this.getActiveSiteHolder(); holder && holder.dispose(); }; If am not sure what " holder && holder.dispose();" should do. I think its trying to do: if(holder) { holder.dispose(); } And the GadgetSite should not repeat the code I suppose. - Henry