Slick Slider - dynamic add

On click next , new slide added and slide in.

HTML

<script src="http://flowcms-bc.v11002.infxlocal/script/jQuery/slick/slick.js"></script>
<button id='btnnxt'>Next</button>
<button class='btn' data-productid=1001>1001</button>
<button class='btn' data-productid=1005>1005</button>
<button class='btn' data-productid=1008>1008</button>
<button class='btn' data-productid=1023>1023</button>
<button class='btn' data-productid=1077>1077</button>
<h2>Slick Slider</h2>
<div class="slider">

    <div class="product"><h3>Product 100</h3></div>
	
</div>

CSS

.product h3 {padding:2px;border:1px solid green;width:150px;height:100px;}

@charset "UTF-8";
/* Slider */
.slick-slider { position: relative; display: block; box-sizing: border-box; -moz-box-sizing: border-box; -webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; -ms-touch-action: pan-y; touch-action: pan-y; -webkit-tap-highlight-color: transparent; }

.slick-list { position: relative; overflow: hidden; display: block; margin: 0; padding: 0; }
.slick-list:focus { outline: none; }
.slick-loading .slick-list { background: #fff url("./ajax-loader.gif") center center no-repeat; }
.slick-list.dragging { cursor: pointer; cursor: hand; }

.slick-slider .slick-track { -webkit-transform: translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); }

.slick-track { position: relative; left: 0; top: 0; display: block; }
.slick-track:before, .slick-track:after { content: ""; display: table; }
.slick-track:after { clear: both; }
.slick-loading .slick-track { visibility: hidden; }

.slick-slide { float: left; height: 100%; min-height: 1px; display: none; }
[dir="rtl"] .slick-slide { float: right; }
.slick-slide img { display: block; }
.slick-slide.slick-loading img { display: none; }
.slick-slide.dragging img { pointer-events: none; }
.slick-initialized .slick-slide { display: block; }
.slick-loading .slick-slide { visibility: hidden; }
.slick-vertical .slick-slide { display: block; height: auto; border: 1px solid transparent; }

/* Icons */
/* Arrows */
.slick-prev, .slick-next { position: absolute; display: block; height: 20px; width: 20px; line-height: 0; font-size: 0; cursor: pointer; background: transparent; color: transparent; top: 50%; margin-top: -10px; padding: 0; border: none; outline: none; }
.slick-prev:hover, .slick-prev:focus, .slick-next:hover, .slick-next:focus {...

JavaScript

var n=100;
$('.slider').slick({
  slidesToShow: 1,
  slidesToScroll: 1,
  centerMode: true
});

console.log(   $('.slider')  );

$('#btnnxt').on('click',function(){
        n++;
      $('.slider').slickAdd('<div class="product"><h3>Product '+n+'</h3></div>');
    $('.slider').slickNext();
    if(n>102) $('.slider').slickRemove();
});

$('.btn').on('click',function(){
      n=$(this).data('productid');
      $('.slider').slickAdd('<div class="product"><h3>Product '+n+'</h3></div>');
    $('.slider').slickNext();
    $('.slider').slickRemove();
});