javascript - Hide "null" result -


i've working searching function embedded html website search informations on sharepoint site. working when have result without "description", result show "null". so, want hide null value :) , don't know how can that.

here function search/result :

<script>     function searchlistener(text){         var count = 0;         $(".result").empty();         var queryget = "my url";         $.ajax({ url: queryget, method: "get", headers: { "accept": "application/json; odata=verbose" }, success: onquerysuccess, error: onqueryerror });         function onquerysuccess(data) {             var results = data.d.query.primaryqueryresult.relevantresults.table.rows.results;             var title,url, index, id, desc;             console.log(results);             $.each(results, function () {                  $.each(this.cells.results, function () {                      if(this.key == "title"){                         title = this.value;                      }                     if(this.key == "path"){                         url = this.value;                     }                     if(this.key == "description"){                         desc = this.value;                     }                 });                   count = count +1;                  if(((url.indexof('qt') !== -1) || (url.indexof('news') !== -1) || (url.indexof('tuto') !== -1) || (url.indexof('service_data') !== -1)) && (url.indexof('dispform') !== -1)){                     if(url.indexof('qt') !== -1) index ="quicktraining";                     if(url.indexof('tuto') !== -1) index ="tuto";                     if(url.indexof('news') !== -1) index ="news";                     if(url.indexof('service_data') !== -1) index ="service";                      id = url.split('id=')[1];                      $(".result").append("<div class='bullet'><a class='searchlink' id='"+ id +" "+ index + "' href='#'><h2>" + title +"</h2></a><h4 id='desc'>" + desc + "</h4></div>");         }       });          }         function onqueryerror(error) {             if($(".form-control").val().length != 0){                 $(".result").append("<h5>no results found</h5>");                 $(".result").show();             }else{                 $(".result").hide();             }          }      }  </script>

an idea ? many thanks!

$.each(this.cells.results, function () {                      if(this.key == "title"){                         title = this.value;                      }                     if(this.key == "path"){                         url = this.value;                     }                     if(this.key == "description")                     {                       if(this.value != " ")                       {                         desc = this.value;                       }                       else                       {                         desc = "";                       }                                              }                 });

hope work you...


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