keyword input field

add/remove keywords to a field

HTML

<div id="box">
    <ul>
        <li><input type="text" id="type"/></li>
    </ul>
</div>
<small>*put something in the input above, and press enter.</small>

CSS

#box{padding:8px 2px;border:1px solid #CCCCCC;display:block}
#box input,#box input:active,#box input:focus{border:none;background:none;outline:none}
#box ul,#box li,#box input{margin:0;padding:0}
#box ul,#box li{list-style:none}
#box li,#box a{display:inline-block;margin:2px}
#box span{background-color:#EDEDED;padding:3px;color:#666666;border:1px solid #CCCCCC}
#box a{font-size:12px;line-height:12px;color:#666666;text-decoration:none;padding:1px 3px;margin-left:5px;font-weight:bold;background-color:#FFFFFF;vertical-align:top;border:1px solid #CCCCCC;margin-top:-1px}
#box a:hover{background-color:#666666;color:#FFFFFF}

/* why not? */
body{font-family:sans-serif}
#box span{border-radius:5px}
#box a{border-radius:100%;overflow:hidden}

JavaScript

function closer() {
  $('#box a').on('click', function() {
    $(this).parent().parent().remove();
    console.log('remove disabled');
    if ($('#box ul li').length <= 5) {
      $('#type').prop('disabled', false);
    }
  });
}
$('#type').keypress(function(e) {
  if (e.which == 32) { //change to 32 for spacebar instead of enter
    var tx = $(this).val();
    if ($('#box ul li').length > 5) {
      $(this).val('');
      console.log('add disabled');
      $('#type').prop('disabled', 'disabled');
    } else {
      if (tx) {
        $(this).val('').parent().before('<li><span>' + tx + '<a href="javascript:void(0);">x</a></span></li>');
        closer();
      }
    }
  }
});