jquery - global variable in javascript is always empty and never updated -


i've got 1 partial view , when click link in partial view add hashset url , make ajax request , update view;( i'm trying achieve when click button load again previous partial view). problem on document ready check each second if there change in hashet - , seems each time check variable recenthash in chechash finction empty. may reason. 

@model  mvcbeaweb.groupmenu         <div class="lc-container-contentmenu">          foreach (mvcbeadal.webservicebeamenu item in model.menuleft)          {                                                                  @html.actionlink(@item.specialword, "importshow", new { menuid = @item.id, articlegroupid = @item.articlegroupid })                                          }                       </div>      <script>         var recenthash = '';         function hashchange() {             var page = location.hash.slice(1);             if (page != "") {                         jquery.ajax({                     url: page                         }).done(function (data) {                     $("#importpartupdate").html(data);                 })              }         }          function checkhash() {            var hash = location.hash;             if (hash) {                  if (hash == recenthash) {                     return;                 }                 recenthash = hash;                hashchange();             }         }                 $(function () {                             $('.ajaxlinks a').click(function (e)             {                 location.hash = $(this).attr('href')                 return false;             })             setinterval(checkhash, 1000);                     });     </script>

this issue scoping.

var recenthash , recenthash (defined on window.hash) scoped differently.

http://ryanmorr.com/understanding-scope-and-context-in-javascript/


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