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    <p>You could try...</p> <pre><code>function evalMe(code){ var script = document.createElement('script'); script.innerText = code; document.querySelector('head').appendChild(script); } </code></pre> <p>This should create the same effect, unless they have disabled it as well, but from my knowledge this is fine. Of course if the script <code>errors</code> you will not hear about it unless you do some wrapping of the <code>string</code> to <code>eval</code> e.g.</p> <pre><code>function myHandler(err){ // handle errors. } function evalMe(code){ var script = document.createElement('script'); var wrapper = '(function(){ try{ @@ }catch(err){ myHandler(err); } })()'; // Make sure the string has an ending semicolon code = code[code.length-1] === ';' ? code : code + ';'; script.innerText = wrapper.replace('@@', code); document.querySelector('head').appendChild(script); } </code></pre> <p>Alternately you could use the official mechanism</p> <p><a href="http://developer.chrome.com/beta/extensions/tabs.html#method-executeScript" rel="nofollow">http://developer.chrome.com/beta/extensions/tabs.html#method-executeScript</a> </p> <p>However this would require you to have a <a href="http://developer.chrome.com/extensions/background_pages.html" rel="nofollow">background page</a> and employ <a href="http://developer.chrome.com/extensions/messaging.html" rel="nofollow">message passing</a> between your <code>app</code> page and the background page.</p> <p><strong>UPDATE:</strong> Working Method</p> <p>You can create an <code>eval</code> like method using an iframe and a <code>base64</code> encoded <code>dataURI</code> that handles message passing between the extension page and the <code>&lt;iframe&gt;</code>. You can grab a working copy of the <a href="https://github.com/AshHeskes/eval-extension" rel="nofollow">code on github</a>. To use simply clone or download the repo, and install the 'client' <code>dir</code> as an unpackaged extension in the chrome extension manager. The code driving the plugin resides in <code>app.js</code></p> <p>Use the iframeEval to test, the error notification is a little buggy but hey, the <code>eval</code> works.</p> <p>@appsillers In order to get your plugin working without any additional code, you could overwrite the <code>eval</code> method on you extensions <code>window</code> with the <code>iframeEval</code> method in the code.</p>
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    1. CO`manifest_version: 2` disallows inline scripts, so I expect `evalMe` would produce an error because it injects a `<script>` with an inline script. Your final suggestion about passing a message to perform an `executeScript` in the background is an interesting possibility, but I think it may be constrained to a separate execution environment, as background pages are. I'll test to see if that is correct.
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    2. COI just tested my first point, and `evalMe` produces the error `Refused to execute inline script because it violates the following Content Security Policy directive: "script-src 'self' chrome-extension-resource:".`
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    3. COhmm, let me do some more digging in the docs. As a question, are the evaluated scripts requiring access to the pages `DOM`? or are they `pure.js`
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