Search in a table with coffeescript, hide not matched

filter.js.coffee

$ ->
  $('#search').keyup ->
    searchTable($(this).val())

    
searchTable = (inputVal) ->
  table = $('.table')
  table.find('tr').each (index, row) ->
    if index != 0
      allCells = $(row).find('td')
      if(allCells.length > 0)
        found = false
        allCells.each (index, td) ->
          regExp = new RegExp(inputVal, 'i')
          if(regExp.test($(td).text()))
            found = true;
            return false;
        if(found == true)
          $(row).fadeIn()
        else
          $(row).fadeOut()

view.html.erb

<%= fields_for :search do%>
   <%= label_tag :search %>
   <%= text_field_tag :search %>
<% end %>

<table class="table">
  <tr class="table_head">
    <td>Cliente</td>
    <td>Fecha de Na</td>
    <td>Edad</td>
    <td>Direccion</td>
    <td>Estudio</td>
    <td>telefono</td>
    <td>Número celular</td>
  </tr>
  <% @clientes.each do |c| %>
      <tr class="table_body">
        <td><%= c.cliente %></td>
        <td><%# c.fecha %></td>
        <td><%= c.edad %></td>
        <td><%= c.dir %></td>
        <td><%= c.est %></td>
        <td><%= c.tel %></td>
        <td><%= c.num %></td>
      </tr>
  <% end %>
</table>