title: Make an input add-on button as a file attachment button in angularJs
body: <p>I am trying to make an input add-on button as a file attachment button in angularJs. The html code shows the button "Add File" which when clicked must open a file browse window and behaves same as .</p>
  
  <p>Code used to create input-addon :</p>
  
  <pre><code>    &lt;div class="form-group"&gt;
                              &lt;label class="col-sm-4 col-md-3 col-lg-3 control-label informationCollect"&gt;Attachments&lt;/label&gt;
                              &lt;div class="col-sm-6 col-lg-6 col-md-3"&gt;
                                  &lt;div class="input-group"&gt;
                                      &lt;input class="form-control"&gt;
                                      &lt;span class="input-group-btn"&gt;
                                          &lt;button class="btn btn-secondary" type="button"&gt;&lt;span&gt;Add File&lt;/span&gt;&lt;/button&gt;
                                      &lt;/span&gt;
                                  &lt;/div&gt;
                              &lt;/div&gt;
                          &lt;/div&gt;
  </code></pre>