https://www3.lifecard.co.jp/WebDesk/javascript/ext/oss/jquery.pseudo.js?akatlfqUL5qv8b1CmAq03w

1// jQuery Pseudo
2// URL: http://plugins.jquery.com/pseudo
3// Source: http://github.com/makesites/jquery-pseudo
4//
5// Initiated by [Makis Tracend](http://github.com/tracend)
6// Distributed by [Makesites.org](http://makesites.org)
7// Released under the [MIT license](http://makesites.org/licenses/MIT)
8
9(function (lib) {
10
11    //"use strict";
12
13    if (typeof define === 'function' && define.amd) {
14        // AMD. Register as an anonymous module.
15        var deps = ['jquery'];
16        define(deps, lib); // give the module a name
17    } else if ( typeof module === "object" && module && typeof module.exports === "object" ){
18        // Expose as module.exports in loaders that implement CommonJS module pattern.
19        module.exports = lib;
20    } else {
21        // Browser globals
22        var Query = window.jQuery; // not supporting other query engines || window.Zepto || window.vQuery;
23        lib(Query);
24    }
25}(function ( $ ){
26
27// main data container
28var styles = {};
29
30
31$.fn.pseudo = function( element, prop, value ) {
32    // variables
33    var el = this[0];
34    var id = "pseudo-styles";
35    var changed = false;
36    var className = "";
37    var sheet = document.getElementById(id) || document.createElement('style');
38    var head = document.head || document.getElementsByTagName('head')[0];
39    sheet.id = id;
40
41    var has_pseudo_class = ( this.attr('class') && this.attr('class').indexOf('pseudo-style') > -1 );
42    if( has_pseudo_class ){
43        var classes = this.attr('class');
44        // remove classes before
45        className = classes.substr( classes.indexOf('pseudo-style') );
46        // remove classes after
47        className = classes.substr( classes.indexOf(' ')+1 );
48        // add / update existing style...
49        var selector = className +":"+ element;
50        var attributes = {};
51        attributes[prop] = value;
52        // fallback for the first time...
53        if( !styles[ selector ] ) styles[ selector ] = {};
54        // check if the styles have changed
55        if( styles[ selector ] == attributes ){
56            // do nothing...
57        } else {
58            styles[ selector ] = $.extend({}, styles[ selector ], attributes);
59            changed = true;
60        }
61    } else {
62        // generate a new class name
63        var className = "pseudo-style" + UID.getNew();
64        el.className += ( ( el.className == "" ) ? "" : " ")+ className;
65        changed = true; // by definition if we're adding a new class we have a change...
66    }
67
68    // if the styles hasn't changed, save a cycle
69    if( !changed ) return this;
70    // compile stylesheet
71    var output = "";
72    for( var target in styles ){
73        var css = "";
74        for( var key in styles[target] ){
75            css += key +":"+ styles[target][key] +";";
76        }
77        output += " ."+ target +" {"+ css +" }";
78    }
79    sheet.innerHTML = output;
80    // append stylesheet
81    head.appendChild(sheet);
82
83    return this;
84
85};
86
87// If there is a window object, that at least has a document property
88if( typeof window === "object" && typeof window.document === "object" ){
89    // save in the global namespace (not needed?)
90    window.jQuery = $;
91}
92
93
94// Helpers
95var UID = {
96    _current: 0,
97    getNew: function(){
98        this._current++;
99        return this._current;
100    }
101};
102
103
104}));