объект onchange json, возвращаемый во время выбора ajax-запроса

Question

Я использую пример из документов Selectize и пытаюсь выполнить другие действия, такие как отображение настраиваемого сообщения в зависимости от значения некоторых данных, возвращаемых в запросе ajax.Когда пользователь выбирает опцию, как я могу вызвать функцию и передать ей весь ответ res, полученный от вызова ajax?

Мне не нужно поле 'value' элемента select,это все, к чему я могу получить доступ, используя событие onChange (), которое предлагает Selectize.

http://jsfiddle.net/hykurLm6/

$('#select').selectize({
    valueField: 'url',
    labelField: 'name',
    searchField: 'name',
    option: [],
    create: false,
    render: {
        option: function (item, escape) {
            return '<div>' +
                '<span class="title">' +
                '<span class="name"><i class="icon ' + (item.fork ? 'fork' : 'source') + '"></i>' + escape(item.name) + '</span>' +
                '<span class="by">' + escape(item.username) + '</span>' +
                '</span>' +
                '<span class="description">' + escape(item.description) + '</span>' +
                '<ul class="meta">' + (item.language ? '<li class="language">' + escape(item.language) + '</li>' : '') +
                '<li class="watchers"><span>' + escape(item.watchers) + '</span> watchers</li>' +
                '<li class="forks"><span>' + escape(item.forks) + '</span> forks</li>' +
                '</ul>' +
                '</div>';
        }
    },
    score: function (search) {
        var score = this.getScoreFunction(search);
        return function (item) {
            return score(item) * (1 + Math.min(item.watchers / 100, 1));
        };
    },
    load: function (query, callback) {
        if (!query.length) return callback();
        $.ajax({
            url: 'https://api.github.com/legacy/repos/search/' + encodeURIComponent(query),
            type: 'GET',
            error: function () {
                callback();
            },
            success: function (res) {
                callback(res.repositories.slice(0, 10));
            }
        });
    },
    onChange: function(value) {   //The onChange for selectize is using the valueField, how can i access that whole object? 
    $('#customdiv').html(value);
    //alert(item);
    }
});

::selection {
    background: #f1f6f7;
}
::-moz-selection {
    background: #f1f6f7;
}
body {
    padding: 0 0 30px 0;
    font-family:'Open Sans', Helvetica, arial, sans-serif;
    font-size: 15px;
    line-height: 24px;
    font-weight: 300;
    color: #444B58;
    background: #fff;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    -webkit-font-smoothing: antialiased;
}
footer {
    margin-top: 50px;
    font-size: 12px;
}
a, a:visited {
    text-decoration: none;
    -moz-transition: color 0.2s;
    -webkit-transition: color 0.2s;
    transition: color 0.2s;
}
strong, #links a {
    font-weight: 500;
}
a, a:visited {
    color: #2F97E9;
}
a:hover {
    color: blue;
}
h1 {
    font-weight: 400;
    font-size: 34px;
    margin-bottom: 30px;
    text-transform: lowercase;
    letter-spacing: -1px;
}
h1 .version {
    font-size: 12px;
    letter-spacing: 0;
}
h2 {
    font-size: 15px;
}
label {
    display: block;
    font-weight: normal;
    margin-bottom: 10px;
}
p, .control-group {
    margin: 0 0 20px 0;
}
p.feature {
    font-size: 22px;
    line-height: 30px;
    margin-bottom: 30px;
}
li {
    margin-bottom: 5px;
}
.toggle-code {
    font-size: 12px;
    font-weight: 500;
}
.toggle-code::before {
    margin-right: 5px;
}
.toggle-code.closed::before {
    content:'\25B6';
}
.toggle-code.open::before {
    content:'\25B2';
}
#content {
    margin-top: 35px;
}
#tabs {
    padding: 0;
    position: relative;
}
.tabs {
    position: absolute;
    top: -45px;
    height: 45px;
    margin: 0;
    padding: 0;
    overflow: hidden;
    list-style: none;
}
.tabs li {
    display: inline-block;
    margin: 0;
}
.tabs li a {
    display: inline-block;
    border-radius: 3px 3px 0 0;
    background: none;
    padding: 10px 15px;
    font-weight: 600;
    border-left: 1px solid transparent;
    border-top: 1px solid transparent;
    border-right: 1px solid transparent;
}
.tabs li.active a, .tabs li.active a:hover {
    color: #404040;
    border-color: #e8e8e8;
    box-shadow: 1px 5px rgba(0, 0, 0, 0.01);
}
#logo {
    background: url(//brianreavis.github.io/selectize.js/images/logo@2x.png) 0 0 no-repeat;
    background-size: 153px 35px;
    text-indent: -1000em;
    overflow: hidden;
    display: inline-block;
    height: 35px;
    width: 153px;
}
/**
 * Syntax Highlighting
 */
 pre code {
    width: 1000px;
    display: block;
}
pre {
    overflow: auto;
    width: 100%;
}
pre .string {
    color: #0d9bff;
    font-weight: 500;
}
pre .constant, pre .literal, pre .number {
    color: #fcb01d;
}
pre .keyword {
    color: #fc611d;
    font-weight: bold;
}
/**
 * Demos
 */
 .demo {
    margin: 0 0 50px 0;
}
.demo > * {
    padding: 15px 0;
}
.demo > .header {
    font-size: 20px;
    font-weight: 600;
    padding-top: 0;
    margin-bottom: 10px;
}
.demo .sandbox {
    padding: 0;
}
.demo select, .demo input, .demo .selectize-control {
    width: 100%;
}
.demo > *:first-child {
    margin-top: 0;
}
.demo > *:last-child {
    margin-bottom: 0;
}
.demo .value {
    margin: 10px 0 0 0;
    font-size: 12px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.demo .value span {
    font-family: Monaco, "Bitstream Vera Sans Mono", "Lucida Console", Terminal, monospace;
}
.inset, .tabs li.active a, .tabs li.active a:hover {
    background: #fff;
}
.selectize-control {
    font-weight: normal;
    line-height: 0;
}
.inset {
    border-top: 1px solid #e8e8e8;
    border-bottom: 1px solid #e8e8e8;
}
.wrapper {
    width: 520px;
    margin: 0 auto;
    text-align: left;
    padding: 40px 0;
}
.wrapper > *:last-child {
    margin-bottom: 0;
}
pre {
    background: rgba(45, 45, 45, 0.01);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.06);
    padding: 10px !important;
    font-size: 12px;
    line-height: 15px;
    font-family: Monaco, "Bitstream Vera Sans Mono", "Lucida Console", Terminal, monospace;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
}
input[type=button] {
    margin: 0 10px 0 0;
    padding: 6px 10px;
    color: #606060;
    background: #e0e0e0;
    border: 0 none;
    width: auto;
    display: inline-block;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    -webkit-font-smoothing: antialiased;
}
.buttons {
    margin: 0 0 25px 0;
}
input[type=button]:hover {
    background: #dadada;
}
kbd {
    display: inline;
    display: inline-block;
    min-width: 1em;
    padding: .2em .3em;
    font: normal .85em/1"Open Sans", "Lucida Grande", Lucida, Arial, sans-serif;
    text-align: center;
    text-decoration: none;
    -moz-border-radius: .3em;
    -webkit-border-radius: .3em;
    border-radius: .3em;
    border: none;
    cursor: default;
    -moz-user-select: none;
    -webkit-user-select: none;
    user-select: none;
    background: rgb(250, 250, 250);
    background: -moz-linear-gradient(top, rgb(255, 255, 255), rgb(240, 240, 240));
    background: -webkit-gradient(linear, left top, left bottom, from(rgb(255, 255, 255)), to(rgb(240, 240, 240)));
    color: rgb(50, 50, 50);
    text-shadow: 0 0 2px rgb(255, 255, 255);
    -moz-box-shadow: inset 0 0 1px rgb(255, 255, 255), 0 .1em 0 rgb(200, 200, 200), 0 .11em 0 rgba(0, 0, 0, .4), 0 .1em .11em rgba(0, 0, 0, .4);
    -webkit-box-shadow: inset 0 0 1px rgb(255, 255, 255), 0 .1em 0 rgb(200, 200, 200), 0 .11em 0 rgba(0, 0, 0, .4), 0 .1em .11em rgba(0, 0, 0, .4);
    box-shadow: inset 0 0 1px rgb(255, 255, 255), 0 .1em 0 rgb(200, 200, 200), 0 .11em 0 rgba(0, 0, 0, .4), 0 .1em .11em rgba(0, 0, 0, .4);
}
#theme-selector {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    border-top: 1px solid rgba(80, 80, 80, 0.1);
    background: rgba(255, 255, 255, 0.95);
    padding: 5px 15px;
    z-index: 9999;
    font-weight: normal;
    font-size: 13px;
    -moz-box-shadow: 0 -1px 80px 80px rgba(255, 255, 255, 0.6);
    -webkit-box-shadow: 0 -1px 80px 80px rgba(255, 255, 255, 0.6);
    box-shadow: 0 -1px 80px 80px rgba(255, 255, 255, 0.6);
}
#theme-selector .label {
    margin-right: 10px;
}
#theme-selector a {
    margin: 0 4px;
}
#theme-selector a.active {
    color: #242320;
    font-weight: bold;
}
#github-banner {
    height: 149px;
    width: 149px;
    overflow: hidden;
    padding: 0;
    margin: 0;
    position: fixed;
    top: 0;
    right: 0;
    z-index: 99999;
}
#github-banner a {
    display: block;
    width: 190px;
    font-size: 14px;
    font-family: Frutiger, "Frutiger Linotype", Univers, Calibri, "Gill Sans", "Gill Sans MT", "Myriad Pro", Myriad, "DejaVu Sans Condensed", "Liberation Sans", "Nimbus Sans L", Tahoma, Geneva, "Helvetica Neue", Helvetica, Arial, sans serif;
    background-color: #333;
    color: #FFF;
    word-spacing: 2px;
    text-decoration: none;
    padding: 5px 15px 5px 25px;
    position:relative;
    left: 20px;
    top: -37px;
    text-align: center;
    -moz-transform-origin: 0 0;
    -moz-transform:rotate(45deg);
    -moz-box-shadow: 1px 1px 5px 1px #666;
    -webkit-transform-origin: 0 0;
    -webkit-transform:rotate(45deg);
    -webkit-box-shadow: 1px 1px 5px 1px #666;
    -ms-transform-origin: 0 0;
    -ms-transform:rotate(45deg);
    -ms-box-shadow: 1px 1px 5px 1px #666;
    transform-origin: 0 0;
    transform:rotate(45deg);
    box-shadow: 1px 1px 2px 1px rgba(0, 0, 0, 0.2);
    background-image: linear-gradient(bottom, #534E41 3%, #9E9B96 5%, #64625A 7%, #5C5A55 93%, #9E9B96 95%, #534E41 97%);
    background-image: -o-linear-gradient(bottom, #534E41 3%, #9E9B96 5%, #64625A 7%, #5C5A55 93%, #9E9B96 95%, #534E41 97%);
    background-image: -moz-linear-gradient(bottom, #534E41 3%, #9E9B96 5%, #64625A 7%, #5C5A55 93%, #9E9B96 95%, #534E41 97%);
    background-image: -webkit-linear-gradient(bottom, #534E41 3%, #9E9B96 5%, #64625A 7%, #5C5A55 93%, #9E9B96 95%, #534E41 97%);
    background-image: -ms-linear-gradient(bottom, #534E41 3%, #9E9B96 5%, #64625A 7%, #5C5A55 93%, #9E9B96 95%, #534E41 97%);
    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0.03, #534E41), color-stop(0.05, #9E9B96), color-stop(0.07, #64625A), color-stop(0.93, #5C5A55), color-stop(0.95, #9E9B96), color-stop(0.97, #534E41));
    ;
}
/**
 * Github Demo
 */
 .selectize-control.repositories .selectize-dropdown[data-selectable] {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.selectize-control.repositories .selectize-dropdown .by {
    font-size: 11px;
    opacity: 0.8;
}
.selectize-control.repositories .selectize-dropdown .by::before {
    content:'by ';
}
.selectize-control.repositories .selectize-dropdown .name {
    font-weight: bold;
    margin-right: 5px;
}
.selectize-control.repositories .selectize-dropdown .title {
    display: block;
}
.selectize-control.repositories .selectize-dropdown .description {
    font-size: 12px;
    display: block;
    opacity: 0.5;
    white-space: nowrap;
    width: 100%;
    text-overflow: ellipsis;
    overflow: hidden;
}
.selectize-control.repositories .selectize-dropdown .meta {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 10px;
}
.selectize-control.repositories .selectize-dropdown .meta li {
    margin: 0;
    padding: 0;
    display: inline;
    margin-right: 10px;
}
.selectize-control.repositories .selectize-dropdown .meta li span {
    font-weight: bold;
}
.selectize-control.repositories::before {
    -moz-transition: opacity 0.2s;
    -webkit-transition: opacity 0.2s;
    transition: opacity 0.2s;
    content:' ';
    z-index: 2;
    position: absolute;
    display: block;
    top: 50%;
    right: 34px;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 0;
    background: url(//brianreavis.github.io/selectize.js/images/spinner.gif);
    background-size: 16px 16px;
    opacity: 0;
}
.selectize-control.repositories.loading::before {
    opacity: 0.4;
}
.icon {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    background-size: 16px 16px;
    margin: 0 3px 0 0;
}
.icon.fork {
    background-image: url(//brianreavis.github.io/selectize.js/images/repo-forked.png);
}
.icon.source {
    background-image: url(//brianreavis.github.io/selectize.js/images/repo-source.png);
}
/**
 * Rotton Tomatoes Demo
 */
 .selectize-control.movies .selectize-dropdown[data-selectable] {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    height: 60px;
    position: relative;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    padding: 10px 10px 10px 60px;
}
.selectize-control.movies .selectize-dropdown[data-selectable]:last-child {
    border-bottom: 0 none;
}
.selectize-control.movies .selectize-dropdown .by {
    font-size: 11px;
    opacity: 0.8;
}
.selectize-control.movies .selectize-dropdown .by::before {
    content:'by ';
}
.selectize-control.movies .selectize-dropdown .name {
    font-weight: bold;
    margin-right: 5px;
}
.selectize-control.movies .selectize-dropdown .description {
    font-size: 12px;
    color: #a0a0a0;
}
.selectize-control.movies .selectize-dropdown .actors, .selectize-control.movies .selectize-dropdown .description, .selectize-control.movies .selectize-dropdown .title {
    display: block;
    white-space: nowrap;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}
.selectize-control.movies .selectize-dropdown .actors {
    font-size: 10px;
    color: #a0a0a0;
}
.selectize-control.movies .selectize-dropdown .actors span {
    color: #606060;
}
.selectize-control.movies .selectize-dropdown img {
    height: 60px;
    left: 10px;
    position: absolute;
    border-radius: 3px;
    background: rgba(0, 0, 0, 0.04);
}
.selectize-control.movies .selectize-dropdown .meta {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 10px;
}
.selectize-control.movies .selectize-dropdown .meta li {
    margin: 0;
    padding: 0;
    display: inline;
    margin-right: 10px;
}
.selectize-control.movies .selectize-dropdown .meta li span {
    font-weight: bold;
}
.selectize-control.movies::before {
    -moz-transition: opacity 0.2s;
    -webkit-transition: opacity 0.2s;
    transition: opacity 0.2s;
    content:' ';
    z-index: 2;
    position: absolute;
    display: block;
    top: 50%;
    right: 34px;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 0;
    background: url(//brianreavis.github.io/selectize.js/images/spinner.gif);
    background-size: 16px 16px;
    opacity: 0;
}
.selectize-control.movies.loading::before {
    opacity: 0.4;
}
/**
 * Email Contacts
 */
 .selectize-control.contacts .selectize-input[data-value] .email {
    opacity: 0.5;
}
.selectize-control.contacts .selectize-input[data-value] .name + .email {
    margin-left: 5px;
}
.selectize-control.contacts .selectize-input[data-value] .email:before {
    content:'<';
}
.selectize-control.contacts .selectize-input[data-value] .email:after {
    content:'>';
}
.selectize-control.contacts .selectize-dropdown .caption {
    font-size: 12px;
    display: block;
    opacity: 0.5;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/selectize.js/0.12.1/css/selectize.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/selectize.js/0.12.1/js/standalone/selectize.min.js"></script>
<link href="http://cdnjs.cloudflare.com/ajax/libs/selectize.js/0.12.1/css/selectize.default.css" rel="stylesheet"/>
    <select id="select" class="repositories" placeholder="Pick a repository..."></select>
    <div id="customdiv">Custom div here, I want this to change to item.username from the data returned from the ajax call</div>