jquery - Set a class or not depending of the item index -

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i'm rendering table jquery-tmpl, , don't how pyjama. want set class "shadowed" items index%2==0.

i'm trying with code, apparently have little mess jquery-tmpl syntax:

<script id="thecommenttemplate" type="text/x-jquery-tmpl">     <tr {{if ${$item.dataarrayindex($item.data)} %2==0 }}                            class="shadowed"                      {{/if}}><td>${reviewer}</td><td>${date}</td><td>${statusfrom}</td><td>${statusto}</td><td>${comments}</td></tr> </script>

and call:

    $.getjson('@url.action("getphotoaudit","photos")/' + id, function (jsondata) {          $('#thecommenttemplate').tmpl(jsondata,         {             dataarrayindex: function (item) {                 return $.inarray(item, jsondata);             }         }         ).appendto("#audit tbody");     });

what correct syntax?

do have within template code?

can not use :odd or :even psuedoclass selectors add class.

for example:

$("#mytable>tbody>tr:even").addclass("shadowed");

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