使用if条件加载div的ajax成功响应数据

After for getting ajax response loading a div in the div i have radio button fields how should i write a condition inside jquery.

$.ajax({
  url: "miscellaneous_fetch.php",
  method: "POST",
  data: {
    transaction_id: transaction_id
  },
  dataType: "json",
  success: function(data, textStatus, xhr) {
    var html = '';
    html += '<div class="col-md-1"></div><div class="col-md-3"><fieldset><h5 align="left"><b>Due-Date:</b></h5><div class="radio"><label><input type="radio" name="due_date" value="none"  checked>None</label></div><div class="radio"><label><input type="radio" name="due_date" value="header" >Header</label></div><div class="radio"><label><input type="radio" name="due_date" value="body">Body</label></div></fieldset></div></div><br>';
    $('.miscellaneous_body').append(html);
  }

i want to write if condition to check with ajax response data where checked or not if checked we have to put checked tag to that field.

You can do like

$.ajax({
                  url: "miscellaneous_fetch.php",
                  method: "POST",
                  data: {
                    transaction_id: transaction_id
                  },
                  dataType: "json",
                  success: function(data, textStatus, xhr) {
                 if(data == 'Your Condition'){
                 //Your CODE
                 }else{
                 //Your CODE
                  }
            }
    });