Image with preview and remove options in jquery

<div class="input"><strong class="star">Campaign images </strong>

                                <span><input type="file" placeholder="" name="campaign_images[]" accept="image/*" class="campaign_images" data-id="1"><br/>
                                <img class="campaign_image1" src="#" alt="your Campaign Poster Display Here " class="img-responsive" style="margin-bottom: 10px; display:none; width:100px; height:100px"  /><button class="btnRmv" type="button">Remove</button></span>
                             
                                 <span><input type="file" placeholder="" name="campaign_images[]"  class="campaign_images" accept="image/*" ><br/>                              
                                  <img class="campaign_image2" src="#" alt="your Campaign Poster Display Here " class="img-responsive" style="margin-bottom: 10px; display:none; width:100px; height:100px"  /><button class="btnRmv" type="button">Remove</button></span>
                               
                                  <span><input type="file" placeholder="" name="campaign_images[]" class="campaign_images" accept="image/*" ><br/>
                                   <img class="campaign_image3" src="#" alt="your Campaign Poster Display Here " class="img-responsive" style="margin-bottom: 10px; display:none; width:100px; height:100px"  /><button class="btnRmv" type="button">Remove</button></span>
                        </div>

<script>
 $(document).ready(function(){
        $('.btnRmv').hide();
        var max_file_upload_size = 100000;//1mb
        $(document).on('change','.campaign_images',function(e){
        var t=$(this);
        if(max_file_upload_size < this.files[0].size){
        alert("Allowed file size exceeded. (Max. 1 MB)")
        t.parent('span').find('img').hide();
        t.parent('span').find('button').hide();
        t.parent('span').find('input').val('');
       
        return false;
        }
       
        if (this.files && this.files[0]) {
               var reader = new FileReader();
               reader.onload = function (e) {
               t.parent('span').find('img').attr('src', e.target.result);
        t.parent('span').find('img').show();
        t.parent('span').find('.btnRmv').show();
               }
               reader.readAsDataURL(this.files[0]);
                }
        });
       
        $(document).on('click','.btnRmv',function(e){
        e.preventDefault();
        $(this).parent('span').find('img').hide();
        $(this).hide();
        $(this).parent('span').find('input').val('');
       
        });
       
        })
    </script>

Demo

Campaign images