<p dir="auto">Using and example code from <a href="http://www.html5rocks.com/" rel="nofollow">http://www.html5rocks.com/</a> in the body of my index.html. Don't show the bubble when i click the button (the input change the focus and the border glow but don't show the bubble).</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="&lt;form&gt;
    &lt;input type=&quot;text&quot; required value=&quot;&quot; /&gt;
    &lt;input type=&quot;submit&quot; value=&quot;Submit&quot; /&gt;
&lt;/form&gt;"><pre class="notranslate"><code class="notranslate">&lt;form&gt;
    &lt;input type="text" required value="" /&gt;
    &lt;input type="submit" value="Submit" /&gt;
&lt;/form&gt;
</code></pre></div>
<p dir="auto">The buble that don't show with Electron:<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/6ca25d66f99c7e29ebe4955a2546b71cc7a7e98c23df11d7b22c4060527a1d05/687474703a2f2f7777772e68746d6c35726f636b732e636f6d2f7374617469632f696d616765732f7475746f7269616c732f636f6e73747261696e7476616c69646174696f6e2f4368726f6d652e706e67"><img src="https://camo.githubusercontent.com/6ca25d66f99c7e29ebe4955a2546b71cc7a7e98c23df11d7b22c4060527a1d05/687474703a2f2f7777772e68746d6c35726f636b732e636f6d2f7374617469632f696d616765732f7475746f7269616c732f636f6e73747261696e7476616c69646174696f6e2f4368726f6d652e706e67" alt="Bubble" data-canonical-src="http://www.html5rocks.com/static/images/tutorials/constraintvalidation/Chrome.png" style="max-width: 100%;"></a></p>
<p dir="auto">I'm using the prebuild v0.209 from: <a href="https://github.com/atom/atom/releases/tag/v0.209.0">https://github.com/atom/atom/releases/tag/v0.209.0</a></p>
<p dir="auto">Atom shell currently does not support HTML5 form validation notifications -- client side form validation is supported and you cannot submit invalid form entries, however, there is no visual cue or notification for invalid entries as there is in most browsers (see image below).</p>
<p dir="auto">Is support for this planned?</p>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://cloud.githubusercontent.com/assets/3952537/4208326/3b7cc960-385f-11e4-847a-f52e076a5753.png"><img src="https://cloud.githubusercontent.com/assets/3952537/4208326/3b7cc960-385f-11e4-847a-f52e076a5753.png" alt="" style="max-width: 100%;"></a></p>