# \[SELECT2] keypress select2, enter key press keycode yp.vn (ok)

![](/files/-MQVhe6tl9uiQWgmDU7m)

```
$(document).on('keydown', 'input.select2-search__field', function(e) {
		console.log(e.keyCode);
	});
```

```
<?php
/***
 Template Name: Test Search Elastic
***/
define("HOMEURLC", get_home_url());
 ?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
  <script src="https://code.jquery.com/jquery.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
  <link href="https://cdn.jsdelivr.net/npm/select2@4.1.0-beta.1/dist/css/select2.min.css" rel="stylesheet" />
  <script src="https://cdn.jsdelivr.net/npm/select2@4.1.0-beta.1/dist/js/select2.min.js"></script>
  <style type="text/css">
    .select2-container{
      width: 100%!important;
     }
     .select2-search--dropdown .select2-search__field {
      width: 98%;
     }
  </style>
  <title>Search</title>
</head>
<body>
  <div class="container">
    <div class="row">
     <h1>Test Search</h1>
     <form action="<?php echo HOMEURLC . '/test-search'; ?>" method="GET" id="formelastic" role="form">
       <div class="form-group">
         <input type="text" name="searchelastic" class="form-control" id="js-data-example-ajax" placeholder="Input field">
       </div>
       <button type="submit" class="btn btn-primary btn-search-elastic">Submit</button>
     </form>
   </div>
  </div>
  <script type="text/javascript">
    variablei = 1;
    $(document).ready(function() {
    	$(document).on('keydown', 'input.select2-search__field', function(e) {
    		var value = '';
    		value += e.target.value;
    		$('#js-data-example-ajax').val(value);
    		if(e.keyCode == 13) {
    			$('#formelastic').submit();
    		}
    	});
      $("#js-data-example-ajax").select2({
        closeOnSelect: false,
        dropdownParent: $('#formelastic'),
        ajax: {
          url: '<?php echo HOMEURLC . "/phpjson.php" ?>',
          dataType: 'json',
          type: "GET",
          delay: 250,
          data: function(params) {
            $('#js-data-example-ajax').val(params.term);
            return {
              q: params.term,
              from: params.page || 1,
              size: 5
            };
          },
          processResults: function(data,params) {
            var res = data.hits.hits.map(function(item) {
              return { id: item._source.post_id, text: item._source.post_title, address: item._source.meta.webbupointfinder_items_address[0].value, content: item._source.post_content,permalink: item._source.permalink,featuredimage: item._source.featured_image};
            });
            if(typeof params.page == 'undefined') {
              params.page = 1;
            }
            var more = (params.page * 5) < 10;
            return {
              results: res,
              pagination: {
                more: more
              }
            };
          }
        },
        placeholder: "Nhập từ khóa tìm kiếm",
        minimumInputLength: 1,
        templateResult: formatRepo,
        templateSelection: formatRepoSelection
      });
      function formatRepo (repo) {
        if (repo.loading) {
          return repo.text;
        }
        if(repo.featuredimage) {
        	featuredimage = repo.featuredimage;
        }else {
        	featuredimage = 'https://cdn.pixabay.com/photo/2018/03/10/12/00/paper-3213924_1280.jpg'
        }
        var $container = $(
          "<div class='select2-result-repository clearfix'>" +
            "<div class='select2-result-repository__avatar'><a href='"+repo.permalink+"'><img src='"+featuredimage+"'></a></div>" +
            "<div class='select2-result-repository__meta'>" +
              "<div class='select2-result-repository__title'></div>" +
              "<div class='select2-result-repository__content'></div>" +
              "<div class='select2-result-repository__address'></div>" +
            "</div>" +
          "</div>"
        );
        $container.find(".select2-result-repository__title").text(repo.text);
        $container.find(".select2-result-repository__content").html(repo.content);
        $container.find(".select2-result-repository__address").text(repo.address);
        if(repo.id) {
          window.variablei++;
        }
        return $container;
      }
      function formatRepoSelection (repo) {
        return repo.full_name || repo.text;
      }
      $('#js-data-example-ajax').on('select2:select', function (e) {
        var data = e.params.data;
        window.location.href = data.permalink;
      });
      $('.btn-search-elastic').click(function(event) {
        $('#formelastic').submit();
      });
    });
  </script>
  <style type="text/css">
    #formelastic {
      position: relative;
    }
    .btn-search-elastic {
      position: absolute;
      right: 0;
      top: 50%;
      -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
      transform: translateY(-50%);
      height: 100%;
      line-height: normal;
    }
    .select2-results__option--selectable {
      -webkit-box-shadow: 0px 1px 1px 1px rgba(198,176,15,0.82); 
      box-shadow: 0px 1px 1px 1px rgba(198,176,15,0.82);
    }
    .select2-result-repository {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-align: center;
      -ms-flex-align: center;
      align-items: center;
    }
    .select2-result-repository__avatar {
      margin-right: 10px;
    }
    .select2-result-repository__avatar >a {
      display: block;
    	width: 100px;
    	height: 60px;
    	-o-object-fit: cover;
    	object-fit: cover;
    }
    .select2-result-repository__title {
      font-weight: 700;
    }
    .select2-result-repository__avatar img {
      width: 100%;
      height: height:100%;
      -o-object-fit: cover;
      object-fit: cover;
    }
    .select2-result-repository__content {
      text-transform: lowercase;
      margin-top: 5px;
      margin-bottom: 5px;
    }
    .select2-result-repository__address {
      text-transform: lowercase;
      font-weight: 600; 
    }
    input[type='text'],
    input[type='search'],
    input[type='number'],
    textarea {
      font-size: 16px;
    }
  </style>
  <?php  
    $url = HOMEURLC . '/postjson.php/?q='.$_GET['searchelastic']; 
    if(isset($_GET) && isset($_GET['searchelastic']) && !empty($_GET['searchelastic'])) {
      $jsonData = json_decode(file_get_contents($url),true);
      $arrData = $jsonData['hits']['hits'];
      echo '<pre>';
        var_export($arrData);
      echo '</pre>';
    }
  ?>
</body>
</html>
```


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