$('document').ready(function() {

  var input_selector = 'input[type=text],input[type=password],input[type=email],input[type=url],input[type=tel],input[type=number],input[type=search],textarea';
  
  
/**************************
* Auto complete plugin  *
*************************/
  
  
  $(input_selector).each(function() {
    var $input = $(this);

    if ($input.hasClass('autocomplete')) {
      var $array = $input.data('array'),$inputDiv = $input.closest('.input-field'); // Div to append on
      // Check if "data-array" isn't empty
      if ($array !== '') {
        // Create html element
        var $html = '<ul class="autocomplete-content hide">';

        for (var i = 0; i < $array.length; i++) {
          // If path and class aren't empty add image to auto complete else create normal element
          if ($array[i]['path'] !== '' && $array[i]['path'] !== undefined && $array[i]['path'] !== null && $array[i]['class'] !== undefined && $array[i]['class'] !== '') {
            $html += '<li class="autocomplete-option"><img src="' + $array[i]['path'] + '" class="' + $array[i]['class'] + '"><span>' + $array[i]['value'] + '</span></li>';
          } else {
            $html += '<li class="autocomplete-option"><span>' + $array[i]['value'] + '</span></li>';
          }
        }

        $html += '</ul>';
        $inputDiv.append($html); // Set ul in body
        // End create html element

        function highlight(string) {
          $('.autocomplete-content li').each(function() {
            var matchStart = $(this).text().toLowerCase().indexOf("" + string.toLowerCase() + ""),matchEnd = matchStart + string.length - 1,beforeMatch = $(this).text().slice(0,matchStart),matchText = $(this).text().slice(matchStart,matchEnd + 1),afterMatch = $(this).text().slice(matchEnd + 1);
            $(this).html("<span>" + beforeMatch + "<span class='highlight'>" + matchText + "</span>" + afterMatch + "</span>");
          });
        }

        // Perform search
        $(document).on('keyup',$input,function() {
          var $val = $input.val().trim(),$select = $('.autocomplete-content');
          // Check if the input isn't empty
          $select.css('width',$input.width());

          if ($val != '') {
            $select.children('li').addClass('hide');
            $select.children('li').filter(function() {
              $select.removeClass('hide'); // Show results

              // If text needs to highlighted
              if ($input.hasClass('highlight-matching')) {
                highlight($val);
              }
              var check = true;
              for (var i in $val) {
                if ($val[i].toLowerCase() !== $(this).text().toLowerCase()[i])
                  check = false;
              };
              return check ? $(this).text().toLowerCase().indexOf($val.toLowerCase()) !== -1 : false;
            }).removeClass('hide');
          } else {
            $select.children('li').addClass('hide');
          }
        });

        // Set input value
        $('.autocomplete-option').click(function() {
          $input.val($(this).text().trim());
          $('.autocomplete-option').addClass('hide');
        });
      } else {
        return false;
      }
    }
  });






});

.autocomplete-content {

  position: absolute;

  background: #383838;

  margin-top: -.9rem;

}

.autocomplete-content li {

  clear: both;

  color: rgba(0,0.87);

  cursor: pointer;

  line-height: 0;

  width: 100%;

  text-align: left;

  text-transform: none;

  padding: 10px;

}

.autocomplete-content li > span {

  color: #ffa726;

  font-size: .9rem;

  padding: 1.2rem;

  display: block;

}

.autocomplete-content li > span .highlight {

  color: #000000;

}

.autocomplete-content li img {

  height: 52px;

  width: 52px;

  padding: 5px;

  margin: 0 15px;

}

.autocomplete-content li:hover {

  background: #eee;

  cursor: pointer;

}

.autocomplete-content > li:hover {

  background: #292929;

}

<link href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.5/css/materialize.css" rel="stylesheet" />


<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>


<div class="row">
  <div class="input-field col s12">
    <label class="active">State</label>
    <input type="text" id="autocompleteState" class="autocomplete inputFields">

  </div>
</div>


<script>
  var stateData = [{
    value: "Alabama"
  },{
    value: "Alaska"
  },{
    value: "Arizona"
  },{
    value: "Arkansas"
  },{
    value: "California"
  },{
    value: "Colorado"
  },{
    value: "Connecticut"
  },{
    value: "District of Columbia"
  },{
    value: "Delaware"
  },{
    value: "Florida"
  },{
    value: "Georgia"
  },{
    value: "Hawaii"
  },{
    value: "Idaho"
  },{
    value: "Illinois"
  },{
    value: "Indiana"
  },{
    value: "Iowa"
  },{
    value: "Kansas"
  },{
    value: "Kentucky"
  },{
    value: "Louisiana"
  },{
    value: "Maine"
  },];

  $('#autocompleteState').data('array',stateData);
</script>

希望这可以帮助那些刚刚喜欢我的人.:)