filelistfilter.html.js

var $seach, $list;
$seach = $('#seach');
$list = $('#list');

$seach.on('keydown', function(){
  var $this = $(this);
  setTimeout(function(){
    var val = $this.val();
    var re = new RegExp(val);
    var newlist = $list.find('li').filter(function(item){
      console.log(re.test($(this).text()));
      return !re.test($(this).text());
    });
    $list.find('li').show();
    newlist.hide();
  }, 0);
});