<story><title>BBC-News/Imager.js</title><url>https://github.com/BBC-News/Imager.js</url></story><parent_chain></parent_chain><comment><author>aytekin</author><text>There is no live demo on the github site. Here is a nice demo found on google: 
&lt;a href=&quot;http://firegoby.com/imager-cssbackgrounds&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;firegoby.com&amp;#x2F;imager-cssbackgrounds&lt;/a&gt;</text></comment>
<story><title>BBC-News/Imager.js</title><url>https://github.com/BBC-News/Imager.js</url></story><parent_chain></parent_chain><comment><author>andrewingram</author><text>Nice, but wouldn&amp;#x27;t work for our use case at onefinestay, for two reasons:&lt;p&gt;1 - We use thumbor for serving our images, so changing the width in the URL isn&amp;#x27;t enough, you also need to change the crop parameters and the anti-tamper signing part.&lt;p&gt;2 - We actually use different markup in places, some of our homepage slides use 2 or 4 images at desktop sizes, but only  1 at tablet and smaller.&lt;p&gt;What we&amp;#x27;re doing is using a modified version of picturefill.js, where we wrap each picture component in another component that controls what widths we load it at.&lt;p&gt;You can see it in play here: &lt;a href=&quot;http://www.onefinestay.com/&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.onefinestay.com&amp;#x2F;&lt;/a&gt;</text></comment>