javascript - how to get separate id for same input type while creating dynamic input filed? -

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js file

in below javascript file how can create different id input types whenever new input type being created.

$(document).ready(function(){         $(".template_charge:first").hide(); //hide template         var charge_count =0; // total charge types.         var charge_id_no =0; // assign id , name charge  component         /* add new item based on hidden template */         $(".add_charge").click(function() {           charge_id_no ++;           charge_count ++;           $('#charge_count').val(charge_count);           var newitem = $(".template_charge:first").clone();           newitem.find("input").attr("id", "chargetype_" + charge_id_no); //rewrite id's avoid duplicates           newitem.find("input").attr("name", "chargetype_" +charge_id_no);           newitem.find("input").attr("id", "charge_" +charge_id_no); //rewrite id's avoid duplicates           newitem.find("input").attr("name", "charge_" +charge_id_no);           newitem.show(); //show clone of template           $(".template_charge:last").after(newitem);            bindremove();         });          /* bind remove function last added button*/         function bindremove() {             $(".remove_charge:last").click(function(e) {             if ($(".remove_charge").length > 1)               $(this).parents(".template_charge").remove();               charge_count--;               $('#charge_count').val(charge_count);           });         }          /* execute bind-function @ startup */         bindremove(); });

html file

html files if input type being created whenever add button clicked.

<input type="hidden" id="charge_count" name="charge_count" value="0"/>                   <div class="form-group col-md-12" id="other_charge">                     <div class="form-group col-md-12 col-sm-12">                     <label for="other_charges" class="control-label col-md-2">other charges</label>                      <button id="b2" class="btn btn-info add_charge col-md-10 col-sm-12" type="button">add</button>                       <div class="template_charge col-md-offset-2">                         <div class="controls" id="profs">                           <div id="field_charge" class="form-group input-append col-md-12">                             <input autocomplete="off" class="input form-control col-md-5" id="field3" name="charge1" type="text" placeholder="charge type" />                             <input autocomplete="off" class="input2 form-control col-md-5" id="field4" name="charge2" type="text" placeholder="charge" min="0" max="100" />                             <button class="remove_charge btn btn-danger form-control col-md-2" type="button">x</button>                           </div>                         </div>                       </div>                     </div>                     </div>

... bit of guess, without being able see template, perhaps template root input, calling find returns 0 length set, not work. try this...

newitem.find("input").attr(/* etc... */);

... should read ...

newitem.attr(/* etc... */);

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