select

http://select2.github.io/select2/
http://selectize.github.io/selectize.js/

它能让丑陋的、很长的select选择框变的更好看、更方便，支持搜索，远程数据集，以及无限滚动的结果。

select2去除搜索框

$("#type_select").select2({
    minimumResultsForSearch: -1
});

tag带搜索和自定义tag

$('#tagInput').selectize({
    plugins: ['remove_button'],
  create: true,
  createOnBlur: true,
  maxItems: 10
});

Bootstrap-select

https://www.bootstrapselect.cn/examples.html

<select class="selectpicker">
  <option>Mustard</option>
  <option>Ketchup</option>
  <option>Relish</option>
</select>