獲取textarea的第一行值

Question

 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <form> <textarea id="tawktouser" rows="4" class="form-control"></textarea> <button type="button" id="add" class="btn green">Add</button> </form> <script> $(document).ready(function() { $("#add").click(function() { var tawktouser = $("#tawktouser").val(); alert(tawktouser) }); }); </script> 

我無法以行方式獲取textarea的值-例如，第一行是姓名2nd電子郵件3rd是電話號碼-像這樣名稱：name電子郵件：abc@gmail.com電話：11111

Answer 1

嘗試

  var tawktouser = $("#tawktouser").val().split('\n');
  alert(tawktouser[0])

 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <form> <textarea id="tawktouser" rows="4" class="form-control"> name abc@gmail.com 11111 </textarea> <button type="button" id="add" class="btn green">Add</button> </form> <script> $(document).ready(function() { $("#add").click(function() { var tawktouser = $("#tawktouser").val().split('\\n'); alert(tawktouser[0]) }); }); </script>