javascript - Avoid looping once click the a tag -

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i trying figure out how avoid looping in javascript. have code:

$.ajax({ url : '<?php echo base_url()?>project/search_project_structure_stage', type: 'post', data: {          project_id: $('#project_id').val()       }, success : function(stages)     {         var stages = $.parsejson(stages);         (var = 0; < stages.length; i++)         {             stageid = stages[i].id;             stagename = stages[i].stagename;             stageorder = stages[i].ordstage;             stagetypecode = stages[i].stagecode;             projectid = stages[i].pid             var html_stage = "<div class='row col-sm-10'><ol id='"+stageid+"' class='group_stage'>" +                                 "<li style='list-style:none' class='container span1'>" +                                         "<a class='expand_batch'><i class='fa fa-folder'></i>&nbsp;&nbsp;&nbsp;" + stagename +                                            "&nbsp; [" + stagetypecode +                                              "]&nbsp;(" + stageorder +                                                ")</a>" +                                                 "<a class='icon_edit_stage' id='"+stageid+"'>" +                                                   "<i class='fa fa-pencil fa-fw icon'></i>" +                                                     "</a>" +                                                       "<a class='scopy' sid='"+stageid+"' pid='"+projectid+"'>" +                                                         "<i class='fa fa-copy fa-fw icon'></i>" +                                                           "</a>";             $('#stage').append(html_stage);              $.ajax({             url : '<?php echo base_url()?>project/search_project_structure_batch',             type: 'post',             data: {                      'stage_id': stageid,                   },             success : function(batch)                     {                         var batch = $.parsejson(batch);                         (var = 0; < batch.length; i++)                         {                             batchid = batch[i].batchid;                             batchname = batch[i].batchname;                             batchorder= batch[i].ordbatch;                             stageid = batch[i].stageid;                             projectid = batch[i].project_id;                              var html_batch = "<ol id='"+batchid+"' class='group_batch batch'>" +                                                 "<li style='list-style:none' class='container span2'>" +                                                   "<a class='expand_activity'>" +                                                     "<i class='fa fa-list'></i>&nbsp;&nbsp;&nbsp;" + batchname +                                                        "&nbsp;(" + batchorder +                                                          ")</a>" +                                                           "<a class='icon_edit_batch' id='"+batchid+"'>" +                                                             "<i class='fa fa-edit fa-fw icon'></i>" +                                                               "</a>" +                                                                 "<a class='bcopy' bid='"+batchid+"' sid='"+stageid+"' pid='"+projectid+"' data-toggle='modal'>" +                                                                   "<i class='fa fa-copy fa-fw icon'></i>" +                                                                     "</a>";                             $('#'+stageid).append(html_batch);                         }                          $( ".bcopy" ).click(function()                         {                             batch_id = $(this).attr('bid');                             stage_id = $(this).attr('sid');                             batch_project_id = $(this).attr('pid');                             $('#batch_id').val(batch_id);                             $('#batch_stage_id').val(stage_id);                             $('#batch_project_id').val(batch_project_id);                             $('#mymodalclonebatch').modal('show');                              $( "#clone_batch" ).click(function()                             {                                 $.ajax({                                     url : '<?php echo base_url('project/clone_batch')?>',                                     type: 'post',                                     data:                                         {                                             batch_id : $('#batch_id').val(),                                              batch_stage_id : $('#batch_stage_id').val(),                                              batch_project_id : $('#batch_project_id').val(),                                              batch_name : $('#batch_name').val(),                                              batch_quantity : $('#batch_quantity').val()                                         },                                     success: function(msg)                                         {                                          }                                 });                             });                         });                     }             });         }         $( ".scopy" ).click(function()         {             stage_id = $(this).attr('sid');             stage_project_id = $(this).attr('pid');             $('#stage_id').append(stage_id);             $('#stage_project_id').append(stage_project_id);             $('#mymodalclonestage').modal('show');              $( "#clone_stage" ).click(function()             {                 $('#mymodalclonestage').modal('hide');                 document.getelementbyid('toggle-div').style.display='block';                 var target = document.getelementbyid('wrapper');                 var spinner = new spinner(opts).spin(target);                 $.ajax({                     url : '<?php echo base_url('project/clone_stage')?>',                     type: 'post',                     data:                         {                             stage_id : $('#stage_id').text(),                              stage_project_id : $('#stage_project_id').text(),                              stage_name : $('#stage_name').val(),                              stage_code : $('#stage_code').val()                         },                     success: function(msg)                         {                             document.getelementbyid('toggle-div').style.display='none';                             spinner.stop();                             var msg = $.parsejson(msg);                             jo_number = $('#jo_number').val();                             $('#cloned_jo_number').append(jo_number);                             $('#mymodalclonestagesuccess').modal('show');                                }                 });             });         });     } });

as notice $( ".bcopy" ).click(function() inside for loop. want ask how avoid once click <a> tag class bcopy. not follow for loop?

it happens when click <a> tag loop.

put out side loop rendering click event script multiple time , element added after dom loaded need use delegated event make work:

$("#stage").on('click','.bcopy',function() {  // code goes here  });

you can read more in detail here


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