Cara menampilkan kolom input jika

bisa pake jquery css <pre> $("#kategori").change(function(){ if($(this).val() == 1 && $(this).val() == 2) { $("#check").css("display","block"); $("#textarea").css("display","none"); } else { $("#check").css("display","none"); $("#textarea").css("display","block"); } }); </pre>

@dianarifr

<pre> &lt;script&gt; $("#category").change(function(){ if($(this).val() == 1 && $(this).val() == 2) { $("#check").css("display","block"); $("#textarea").css("display","none"); } else { $("#check").css("display","none"); $("#textarea").css("display","block"); } }); &lt;/script&gt;

                            <div class="card-body card-padding">
                            <!-- start content -->
	                  <form class="form-horizontal" method="POST">
	                    <div class="form-group">
	                      <label class="col-md-12">Category</label>
	                      <div class="col-md-12">
	                        <select class="form-control" name="category" id="category">
	                          <option value="0">Pilih salah satu</option>
	                          <option value="1">1</option>
			                  <option value="2">2</option>
			                  <option value="3">3</option>
	                        </select>
	                      </div>
	                    </div>
	                    <div class="form-group">
	                      <div class="col-md-12">
	                      <label>Username/Link</label>
	                        <input type="text" class="form-control" name="link" placeholder="Username/Link" required>
	                      </div>
	                    </div>
	                    <div class="form-group">
	                      <div class="col-md-12">
	                      <label>Input Komentar</label>
	                    <textarea name="textarea" style="display: none;"></textarea>
	                      </div>
	                    </div>
	                    <div class="form-group">
	                      <div class="col-md-6">
		                      <label>Jumlah</label>
		                      <div>
		                        <input type="hidden" class="form-control" id="rate">
		                        <input type="number" class="form-control" name="quantity" id="quantity" placeholder="Jumlahnya" onkeyup="getcut(this.value).value;" required>
		                      </div>
	                      </div>
	                    <div class="form-group m-b-0">
	                      <div class="col-md-12">
	                        <button type="submit" class="btn btn-info waves-effect waves-light" id="order" name="order"><i class="ion ion-ios-cart"></i> Add </button>
	                      </div>
	                    </div>
	                  </form>
                            <!-- end content -->
                        </div>

                    </div>
                    <!-- col -->

</pre>

coba ini, id dan name sesuaikan kebutuhan <pre>&lt;script&gt; $("#category").change(function(){ if($(this).val() != 3) { $("#textarea").hide(); $("#check").show(); } else { $("#textarea").show(); $("#check").hide(); } }); &lt;/script&gt; &lt;div class="card-body card-padding"&gt; &lt;!-- start content --&gt; &lt;form class="form-horizontal" method="POST"&gt; &lt;div class="form-group"&gt; &lt;label class="col-md-12"&gt;Category&lt;/label&gt; &lt;div class="col-md-12"&gt; &lt;select class="form-control" name="category" id="category"&gt; &lt;option value="0"&gt;Pilih salah satu&lt;/option&gt; &lt;option value="1"&gt;1&lt;/option&gt; &lt;option value="2"&gt;2&lt;/option&gt; &lt;option value="3"&gt;3&lt;/option&gt; &lt;/select&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="form-group"&gt; &lt;div class="col-md-12"&gt; &lt;label&gt;Username/Link&lt;/label&gt; &lt;input type="text" class="form-control" name="link" placeholder="Username/Link" required&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="form-group"&gt; &lt;div class="col-md-12"&gt; &lt;label&gt;Input Komentar&lt;/label&gt; &lt;textarea name="textarea" id="textarea" style="display: none;"&gt;&lt;/textarea&gt; &lt;p id="check" style="display: none;"&gt; &lt;input type="radio" name="check"&gt;drip-feed &lt;/p&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="form-group"&gt; &lt;div class="col-md-6"&gt; &lt;label&gt;Jumlah&lt;/label&gt; &lt;div&gt; &lt;input type="hidden" class="form-control" id="rate"&gt; &lt;input type="number" class="form-control" name="quantity" id="quantity" placeholder="Jumlahnya" onkeyup="getcut(this.value).value;" required&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="form-group m-b-0"&gt; &lt;div class="col-md-12"&gt; &lt;button type="submit" class="btn btn-info waves-effect waves-light" id="order" name="order"&gt;&lt;i class="ion ion-ios-cart"&gt;&lt;/i&gt; Add &lt;/button&gt; &lt;/div&gt; &lt;/div&gt; &lt;/form&gt; &lt;!-- end content --&gt; &lt;/div&gt;

&lt;/div&gt; </pre>

okk gan, ane juga lagi nyari2