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POPlace div over Flash object with userscript
 

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    <p>I have a script which adds a div to a page containing a full-screen Flash object, like this:</p> <pre><code>var myDiv= document.createElement("div"); myDiv.style.background = "red"; myDiv.style.width = "30px"; myDiv.style.height = "30px"; myDiv.style.position = "absolute"; myDiv.style.top = "0"; myDiv.style.left = "0"; document.body.appendChild(myDiv); </code></pre> <p>In Firefox (running on Greasemonkey), myDiv appears on top of the Flash object. In Chrome (running on Tampermonkey), it is added underneath. I can't seem to change this by setting z-index - it is ignored.</p> <pre><code>// code which apparently does nothing: myDiv.style.zIndex = "999"; var swf_div = document.getElementById("swf_div"); if (swf_div) { swf_div.style.zIndex = "-999"; } </code></pre> <p>Is there any way I can get myDiv appearing on top of the Flash object in Chrome, considering that I don't own the host page and cannot set the wmode param of the Flash object? Why does it behave differently in FF vs Chrome?</p> <p>ETA host page (glitch.com/game) source excerpt:</p> <pre><code>&lt;body&gt; ... &lt;div id="client_div" style="width: 1680px; left: 0pt;"&gt; &lt;object id="swf_div" width="100%" height="100%" type="application/x-shockwave-flash" data="http://c1.glitch.bz/swf/Boot_78793.swf" style="visibility: visible;"&gt; &lt;param name="allowscriptaccess" value="always"&gt; &lt;param name="allownetworking" value="all"&gt; &lt;param name="wmode" value="direct"&gt; &lt;param name="flashvars" value="--- auth tokens, omitted ---"&gt; &lt;/object&gt; &lt;/div&gt; ... &lt;/body&gt; </code></pre>
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    1. COLink to the page in question. ... Also try changing the order of the nodes. Replace `document.body.appendChild(myDiv);` with: `var targ = document.querySelector ("body *"); /*1st child */ targ.parentNode.insertBefore (myDiv, targ);`
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    2. COThe page is www.glitch.com/game, but it won't run unless you are a logged in player. I have added some source to my post above, it's what I see when I inspect the Flash object in Firebug. Tried your suggestion as well - myDiv does not show up on my target page, nor on other pages without Flash content.
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