How to hide extra checkboxes using tampermonkey?

Question

JavaScript

There is this html

<div id="id-Groups" class="accordion-body collapse in"><div class="accordion-inner">
                <div style="padding: 5px;">
                        <div>
                            <input type="checkbox" name="EditableGroups" value="1"> Администраторы
                        </div>
                        <div>
                            <input type="checkbox" name="EditableGroups" value="37"> ГИС ЖКХ
                        </div>
                        <div>
                            <input type="checkbox" name="EditableGroups" value="41"> Для проверяющих
                        </div>
                </div>
</div></div>

1. How to hide checkbox value="41" using tampermonkey
2. How to make checked="checked" property for checkbox value="1"

Answer 1

jsfiddle.net/nick_sdk/thrukp19