javascript - JQuery Function Only Printing out Undefined -


i'm writing function meant append contents of text field on webpage list, part of html can render list contents above text field. field , button appear , responsive, thing get's printed out "undefined" rather contents of text field. javascript function:

<sp:script>   $('#append').on('click', function () {    var text = $('#new-text').val();    var li = '<li>' + text + '</li>';    $('#target-list').append(li); });  </sp:script>

and code rendering text, text field, , button:

    <!-- adding text -->         <div class="tab-content"> <!-- begin div -->                 <div class="clearfix">                     <div class="form-group col-sm-4">                      <ul id ="target-list"> <!-- begin rendering existing text -->                         <g:each var="newtext" in="${instance.newtexts}">                             <li class ="list-item">                                 ${newtext}                              <input type="hidden" name="newtext" value=${newtext}"/>                             </li>                         </g:each>                     </ul> <!-- end rendering existing text -->                     <!-- enter text field start -->                         <input class="form-control required" type="text" id="new-email" placeholder="enter additional email addresses"/>                           <!-- enter text field end -->                     </div>                     <br>                     <!-- begin code add button -->                       <button type="button" class="btn btn-sm btn-green" title="add mew text"                         id = "append">                          <i class="fa fa-plus"></i>                     </button> <!--  end button div -->                 </div>                                             </div>

is there i'm missing?

your input not have id '#new-text'. cause $('#new-text').val() undefined. try adding id.

<input id="new-text" type="hidden" name="newtext" value=${newtext}"/>

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