Ruby on Rails Wednesday, July 25, 2012

in my rails app, i have got one URL (http://chart.apis.google.com/chart?cht=qr&chs=300x300&chl=code&chld=H|0) in Javascript


view.html.erb

 <td><%= link_to "QR","#", :onclick => "showCode();"%></td>


<script type="text/javascript">
var imageURL;
var showCode = function () {
  imageURL = "http://chart.apis.google.com/chart?cht=qr&chs=300x300&chl=code&chld=H|0";
  $("#qr").html("<a href="+imageURL+" class='btn btn-primary pull-left'>Save</a>");
}
</script>
<div id="qr">

</div>

I need to download this image via click this Save button, I have use this way, But it will prompt one window, not downloading
Is there any way to do this?


Thank you
vishnu


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