https://www.sukkiri-life.com/contents/js/lib/jquery.formtips.1.2.6.js

1/*
2 * jQuery Form Tips 1.2.6
3 * By Manuel Boy (http://www.manuelboy.de)
4 * Copyright (c) 2012 Manuel Boy
5 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
6*/
7(function($){
8  
9  $.fn.formtips = function(options) {
10  
11    // handle options
12    var settings = $.extend({
13      tippedClass: "tipped"
14    }, options);
15  
16    return this.each(function() {
17      
18      // prepare input elements an textareas
19      var e = $(this);
20      
21      // do not apply form tips to inputs of type file, radio or checkbox
22      var type = $(e).attr('type');
23      if(type != 'file' && type != 'checkbox' && type != 'radio') {
24    
25        // handle focus event
26        $(e).bind('focus', function() {
27          var lv = $(this).attr('title');
28          if($(this).val() == lv) {
29            $(this).val('').removeClass(settings.tippedClass);
30          }
31          return true;
32        });
33    
34        // handle blur event
35        $(e).bind('blur', function() {
36          var lv = $(this).attr('title');
37          if($(this).val() == '') {
38            $(this).val(lv).addClass(settings.tippedClass);
39          }
40          return true;
41        });
42    
43        // handle initial text
44        var lv = $(e).attr('title');
45        if($(e).val() == '' || $(e).val() == $(this).attr('title')) {
46          $(e).val(lv).addClass(settings.tippedClass);
47        } else {
48          $(e).removeClass(settings.tippedClass);
49        }
50      
51        // handle removal of default value
52        $(e).parentsUntil('form').parent().submit(function() {
53          var lv = $(e).attr('title');
54          if($(e).val() == lv) {
55            $(e).val('').removeClass(settings.tippedClass);
56          }
57        });
58      
59      }
60    
61    });
62  };
63  
64})(jQuery);