javascript - How to make dropdown based one JSON, and selected parameter taken from another? -

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so got js code, suppose make list of statuses in dropdown: 

$.getjson('/statuses', {         ajax: 'true'     }, function (data) {         var html;         var len = data.length;         html += '<select id="status" class="form-control selectpicker" width="150" style="width: 150px">';         (var = 0; < len; i++) {             html += '<option value="' + data[i].id + '">'                 + data[i].name + '</option>';         }         html += '</select>';         $('#status').html(html);     });

this part working, have make sure selected option equals other json. tried in other getjson:

    status += '<select id="status" class="form-control selectpicker" width="150" style="width: 150px">';     status += '<option value="' + data.status + '" selected="selected">' + data.status + '</option>';     status += '</select>'

...it selects it, duplicates status. how can make proper way?

on second bit of code parsing new html, why duplicate. select option try this:

$('#status option[value="'+ data.status +'"]').prop('selected', true);

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