old_contents: /**
   * Copyright 2015 IBM Corp. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
   * use this file except in compliance with the License. You may obtain a copy of
   * the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations under
   * the License.
   */
  
  'use strict';
  
  $(document).ready(function() {
  
    // jQuery variables attached to DOM elements
    var $error = $('.error'),
      $errorMsg = $('.errorMsg'),
      $loading = $('.loading'),
      $results = $('.results'),
      $classification = $('.classification'),
      $confidence = $('.confidence'),
      $question = $('.questionText');
  
  
    $('.ask-btn').click(function() {
      askQuestion($question.val());
      $question.focus();
    });
  
    $('.questionText').keyup(function(event){
      if(event.keyCode === 13) {
        askQuestion($question.val());
      }
    });
  
    // Ask a question via POST to /
    var askQuestion = function(question){
      $question.val(question);
  
      $loading.show();
      $error.hide();
      $results.hide();
  
      $.post('/', {text: question})
        .done(function onSucess(answers){
          $results.show();
          $classification.text(answers.top_class);
          $confidence.text(answers.classes[0].confidence);
        })
        .fail(function onError(error) {
          $error.show();
          $errorMsg.text(error.responseJSON.error || 'There was a problem with the request, please try again');
        })
        .always(function always(){
          $loading.hide();
        });
    };
  
    [
      'Is it hot outside?',
      'Will it be windy?',
      'Will we see some sun?',
      'What is the expected high for today?',
      'Will it be foggy tomorrow morning?'
    ].forEach(function(question){
      $('<a>').text(question)
        .mousedown(function() {
          askQuestion(question);
          return false;
        })
        .css('display','block')
        .css('cursor','pointer')
        .appendTo('.example-questions');
    });
  
  
  });
new_contents: /**
   * Copyright 2015 IBM Corp. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
   * use this file except in compliance with the License. You may obtain a copy of
   * the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations under
   * the License.
   */
  
  'use strict';
  
  $(document).ready(function() {
  
    // jQuery variables attached to DOM elements
    var $error = $('.error'),
      $errorMsg = $('.errorMsg'),
      $loading = $('.loading'),
      $results = $('.results'),
      $classification = $('.classification'),
      $confidence = $('.confidence'),
      $question = $('.questionText');
  
  
    $('.ask-btn').click(function() {
      askQuestion($question.val());
      $question.focus();
    });
  
    $('.questionText').keyup(function(event){
      if(event.keyCode === 13) {
        askQuestion($question.val());
      }
    });
  
    // Ask a question via POST to /
    var askQuestion = function(question){
      $question.val(question);
  
      $loading.show();
      $error.hide();
      $results.hide();
  
      $.post('/', {text: question})
        .done(function onSucess(answers){
          $results.show();
          $classification.text(answers.top_class);
          $confidence.text(answers.classes[0].confidence.toFixed(2));
        })
        .fail(function onError(error) {
          $error.show();
          $errorMsg.text(error.responseJSON.error || 'There was a problem with the request, please try again');
        })
        .always(function always(){
          $loading.hide();
        });
    };
  
    [
      'Is it hot outside?',
      'Will it be windy?',
      'Will we see some sun?',
      'What is the expected high for today?',
      'Will it be foggy tomorrow morning?'
    ].forEach(function(question){
      $('<a>').text(question)
        .mousedown(function() {
          askQuestion(question);
          return false;
        })
        .css('display','block')
        .css('cursor','pointer')
        .appendTo('.example-questions');
    });
  
  
  });
  
subject: Update index.js