[greasemonkey-users] Re: How to select an node inside of an iframe document?

Sat, 27 Sep 2014 16:10:46 -0700 

??

El sábado, 20 de septiembre de 2014 13:38:24 UTC+2, Paco Calidadd escribió:
>
> I'm creating a simple user script to Greasemonkey and I want to select an 
> node that is inside of an iframe document. The node that I want to select 
> is an <embed> that is in an iframe document hosted in other domain:
>
> <iframe style="height: 631px;" class="smart_sizing_iframe" scrolling="no" 
>  id="iframe_canvas" name="iframe_canvas_fb_https" src="javascript:""" 
>  webkitallowfullscreen="" mozallowfullscreen="" oallowfullscreen="" 
>  msallowfullscreen="" allowfullscreen="" height="800" frameborder="0">
>   <html>
>     <body>
>       <div>
>         <div>
>           <embed style="display: block; width: 1325px; height: 631px; 
>            margin-left: 15px; margin-top: 0px;" disablecontextmenu="true" 
>            
> progressframeimage="https://fbstatic-a.akamaihd.net/rsrc.php/v2/yO/r/xE2zuu-toia.png";
>  
>            
> progressbarimage="https://fbstatic-a.akamaihd.net/rsrc.php/v2/yV/r/cIFShcsRTg9.png";
>  
>            
> logoimage="https://fbcdn-photos-f-a.akamaihd.net/hphotos-ak-xpa1/t39.2081-0/p128x128/851582_531935076922613_15198766_n.png";
>  
>            
> firstframecallback="UnityObject2.instances[0].firstFrameCallback();" 
>            type="application/vnd.unity" 
> src="https://deadtrigger2-fb.ssl.hwcdn.net/0.7.0-rc1-r49324/DeadTrigger2.unity3d";
>            height="631" width="1354">
>           </embed>
>         </div>
>       </div>
>     </body>
>   </html>
> </iframe>
>
> My JavaScript lines (I set @include for both domains):
>
> // @include    https://*.facebook.com/deadtrigger_ii/
> // @include    https://integrated-plugin-canvas-*-*.fbsbx.com/apps/*/?params=*
> var iframe = document.getElementById('iframe_canvas');
> var otherdocument = iframe.contentDocument || iframe.contentWindow.document;
> var unity = 
> otherdocument.querySelector("embed[type='application/vnd.unity']");
> unity.style.setProperty("margin", "0px", "important");
>
> Is there some problem? What do I need to do to get that <embed>?
>
> I'm very amateur in JavaScript, I need help. Thanks.
>

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