在jQuery Rails 2.3的帮助下，从表中查找存在于另一个数组中的重复联系人

Here is mY table  structure,



  <table class="editable">
    <tbody id="contacts">
    <tr class="no_items">
    <tr class="title_with_items">
    <th>First Name</th>
    <th>Last Name</th>
    <th>e-mail</th>
    <th>Mobile</th>
    <th>Sender</th>
    <th>Sender e-mail</th>
    <th>Date</th>
    <th></th>
    </tr>
    <tr class="contact_container" style="display: none;">
    <tr class="contact_container">
    <td class="confirm">
    <td class="input">
    <input id="personal_event_event_contacts_attributes_1_first_name" type="text" value="test " size="12" name="personal_event[event_contacts_attributes][1][first_name]">
    </td>
    <td class="input">
    <td class="input">
    <td class="input">
    <td class="input">
    <td class="input">
    <td class="input">
    <td class="action">
    </tr>
    <tr class="contact_container">
    <td class="confirm">
    <td class="input">
    <input id="personal_event_event_contacts_attributes_1_first_name" type="text" value="test " size="12" name="personal_event[event_contacts_attributes][1][first_name]">
    </td>
    <td class="input">
    <td class="input">
    <td class="input">
    <td class="input">
    <td class="input">
    <td class="input">
    <td class="action">
    </tr>
    </tbody>
    </table>
Here is mY table  structure,



  <table class=