JSFiddle - React, Tailwind, and code Playground

by leongaban

HTML

<input id="someinput"><br><select id="optlist" multiple="multiple">
<option value="1">foo</option>
<option value="2">bar</option>
<option value="3">foobar</option>
<option value="4">foobarbaz</option>
</select>

JavaScript

$(function() {
  var opts = $('#optlist option').map(function(){
    return [[this.value, $(this).text()]];
  });


$('#someinput').keyup(function(){
  var rxp = new RegExp($('#someinput').val(), 'i');
  var optlist = $('#optlist').empty();
  opts.each(function(){
      if (rxp.test(this[1])) {
          optlist.append($('<option/>').attr('value', this[0]).text(this[1]));
      }
  });
      
});
      
  });