Quick jQuery dom filter

gistfile1.js

$("[data-search-dom]").each(function(i,e) {
  var timeout = null;
  var $e = $(e);
  var $target = $($e.data("search-dom"));
  if($target.length > 0) {
    $e.keyup(function() {
      var search = $.trim($e.val());
      window.clearTimeout(timeout);
      timeout = setTimeout(function() {
        if(search) {
          $target.filter(":contains('"+search+"')").fadeIn(100);
          $target.filter(":not(:contains('"+search+"'))").fadeOut(100);
        }
      }, 500);
    });
  }
});