JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://cdn.kendostatic.com/2017.3.913/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2017.3.913/styles/kendo.default.min.css">
<script src="http://cdn.kendostatic.com/2017.3.913/js/kendo.all.min.js"></script>
<div id="app"></div>
<script type="text/x-kendo-template" id="myTemplate">
  <div id='container'>
    <input class="k-radio" type="radio" id="rbPayWayCheck" name="rbPayWay" data-type="string" value="1" data-bind="checked:PayWay">
    <label class="k-radio-label" for="rbPayWayCheck">支票</label>
    <input class="k-radio" type="radio" id="rbPayWayTransfer" name="rbPayWay" data-type="string" value="2" data-bind="checked:PayWay">
    <label class="k-radio-label" for="rbPayWayTransfer">匯款</label>
    <label for="PayAccount" style="margin-left:13px">帳戶:</label>
    <input type="text" name="PayAccount" data-bind="value:PayAccount" class="k-textbox" maxlength="50" />
    <br/>
    <button data-bind="click:BtnRunValidateClickEvent">執行驗證</button>
    <label data-bind="text:vldMsg"></label>
  </div>
</script>

JavaScript

var viewModel = kendo.observable({
  PayWay: "2",
  PayAccount: "",
  Validator: null, 
  vldMsg:"",
  BtnRunValidateClickEvent: function(e) {
    if (this.Validator.validate()) {
      this.set("vldMsg","pass");
    } else {
      this.set("vldMsg","fail");
    }
  }
});
var ValidatorObject= {
    rules: {
      PayAccountRequired: function(input) {
        if (input.is("[name='PayAccount']")) {
       		var model = input.prop("kendoBindingTarget").source;
          //如果選匯款，則帳戶必填
          if (model.PayWay === "2" && input.val() === "") {
            return false;
          } else {
            return true;
          }
        } 
        return true;
      }
    },
    messages:{
    	PayAccountRequired:"使用匯款支付時請填帳戶"
    }
  };
var app = $("#app");
//取得樣板
var template = kendo.template($("#myTemplate").html());
//將資料倒入樣板
var contents = template(viewModel);
//將樣板倒入視窗
app.html(contents);
//將模型做BIND
kendo.bind($("#container"), viewModel);
//宣告驗證器 & 將驗證器存入VM
viewModel.Validator = $("#container").kendoValidator(ValidatorObject).getKendoValidator();