JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://cdn.kendostatic.com/2014.2.716/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2014.2.716/styles/kendo.rtl.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2014.2.716/styles/kendo.default.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2014.2.716/styles/kendo.dataviz.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2014.2.716/styles/kendo.dataviz.default.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2014.2.716/styles/kendo.mobile.all.min.css">
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://cdn.kendostatic.com/2014.2.716/js/kendo.all.min.js"></script>
<input id="combobox" />

JavaScript

$("#combobox").kendoComboBox({
  index: 0,
  dataSource: {
    data: ["Oneczcczcc", "Two"]
  }
});
var comboBox = $("#combobox").data("kendoComboBox");
comboBox.list.width("auto");
$("#combobox").width(parseInt($("#combobox").css("width")));