gistfile1.txt

var optionsRender = function(item) {
    return [
        '<li>',
            '<label>',
                '<input',
                    (item.selected ? ' checked' : ''),
                    ' type=' + _checkboxType,
                    ' name="__' + _select.name + '"',
                    ' value="' + item.value + '"',
                '>',
                '<span class="custom-input"/> ',
                item.label,
            '</label>',
        '</li>'
    ].join('');
};