Hi , I will explain more with code example in my perl dancer code I have route

use Dancer ':syntax';
our $VERSION = '0.1';

get '/PopUp' => sub {
my $jsonFile={jj =>"{"name":"jsonFileexample","problem":"thisIsThrProb
+lem\"withComma"}"}
        template 'PopUp' ,{'sendfileToserver'=>$jsonFile};
    
};
[download]

in the server side I have the route that receive the perl dancer paramemters

  <script>
var customjsonList ="<%customCommands%>";
alert(customjsonList.children.length)
var output=customjsonList .split(",");
alert(output)
</script>
[download]

so here in javascript I had the error , that some thing is wrong with the json file when I look at the error I saw that json file is missing the \

{"name":"jsonFileexample","problem":"thisIsThrProblem"withComma"}"
}
[download]

I have perl dancer "Dancer 1.3202" thanks Rami D.

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