index.js

var outputArea = $("#chat-output");

$("#user-input-form").on("submit", function (e) {

  e.preventDefault();

  var message = $("#user-input").val();
  //exports.input = message;

  outputArea.append('\n<li class="left clearfix admin_chat">\n<div class="chat-body1 clearfix">\n<p>\n<span style="color:rgb(107,203,239); display:block">You</span>\n<span style="display:block; padding:5px 0px 5px 0px;">'+ message +'</span>\n</p>\n</div>\n</li>\n');
  document.getElementById('user-input').text = '';
  var div = $("#chat_area");
  div.scrollTop(div.prop('scrollHeight'));
  
  $.support.cors = true;
  $.ajax({
                    type: "GET",
                    url: 'http://localhost:3000/input='+message,         
                    dataType: 'text',	
					
                })
          .done(function(data){
            console.log(data);
            outputArea.append('\n<li class="left clearfix partner_chat">\n<span class="chat-img1 pull-left"><img src="robot-face.png" alt="User Avatar" style="background-color: #FF9933;" class="img-circle img-fluid"></span>\n<div class="chat-body2 clearfix">\n<p>\n<span style="color:rgb(107,203,239); display:block">Bot</span>\n<span style="display:block; padding:5px 0px 5px 0px;">'+ data +'</span>\n</p>\n</div>\n</li>\n');
		div.scrollTop(div.prop('scrollHeight'));
		  })
		  .fail(function (jqXHR, textStatus) {
			outputArea.append('\n<li class="left clearfix partner_chat">\n<span class="chat-img1 pull-left"><img src="robot-face.png" alt="User Avatar" style="background-color: #FF9933;" class="img-circle img-fluid"></span>\n<div class="chat-body2 clearfix">\n<p>\n<span style="color:rgb(107,203,239); display:block">Bot</span>\n<span style="display:block; padding:5px 0px 5px 0px;">'+ 'The Internet and I aren\'t talking right now!<br>Make sure you are connected to Internet. ' + '</span>\n</p>\n</div>\n</li>\n');
			div.scrollTop(div.prop('scrollHeight'));
		  });
  $("#user-input").val("");

});