https://quicksportstv.com/theme/eb4_comm_003/js/jquery.password.strength.js

1;( function( $, window, document, undefined ) {
2
3    "use strict";
4
5        // Create the defaults once
6        var pluginName = "PasswordStrengthManager",
7            defaults = {
8              password: "",
9              confirm_pass : "",
10              blackList : [],
11              minChars : "",
12              maxChars : ""
13            };
14
15        // The actual plugin constructor
16        function Plugin ( element, options ) {
17            this.element = element;
18            this.settings = $.extend( {}, defaults, options );
19            this._defaults = defaults;
20            this._name = pluginName;
21            this.init();
22            this.info = "";
23        }
24
25        // Avoid Plugin.prototype conflicts
26        $.extend( Plugin.prototype, {
27            init: function() {
28                var errors = this.customValidators();
29                
30                if ("" == this.settings.password) {
31                    this.info = "";
32                } else if (this.settings.confirm_pass && (this.settings.password != this.settings.confirm_pass)) {
33                    this.msg = "비밀번호가 서로 일치하지 않습니다.";
34                } else if (errors == 0) {
35                    this.msg = "";
36                    var strength = zxcvbn(this.settings.password, this.settings.blackList);
37                    this.info = 'security_'+strength.score;
38                }
39                $(this.element).attr('class', this.info);
40                $(this.element).find('.security_text').html(this.msg);
41            },
42            
43            minChars: function() {
44                if (this.settings.password.length < this.settings.minChars) {
45                    this.msg = "비밀번호는 최소 " + this.settings.minChars + "자 이상 입력하셔야 합니다.";
46                    return false;
47                } else {
48                    return true;
49                }
50            },
51            
52            maxChars: function() {
53                if (this.settings.password.length > this.settings.maxChars) {
54                    this.msg = "비밀번호는 최대 " + this.settings.maxChars + "자까지 사용하실 수 있습니다.";
55                    return false;
56                } else {
57                    return true;
58                }
59            },
60            
61            customValidators: function() {
62                var err = 0;
63                
64                if (this.settings.minChars != "") {
65                    if (!this.minChars()) {
66                        err++;
67                    }
68                }
69                if (this.settings.maxChars != "") {
70                    if (!this.maxChars()) {
71                        err++;
72                    }
73                }
74                return err;
75            }
76        } );
77        
78        $.fn[pluginName] = function (options) {
79            this.each(function() {
80                $.data(this, "plugin_" + pluginName, new Plugin(this, options));
81            });
82            return this;
83        };
84
85} )( jQuery, window, document );