JSFiddle - React, Tailwind, and code Playground

by CharlesLin

HTML

<div data-bind="foreach: emps">
    <input type="radio" name="xxx" data-bind="value: Id, checked: $root.selectedEmpId" />
    <label data-bind="text: Name"></label>
  </div>
  <pre data-bind="text: ko.toJSON($root, null, 2)"></pre>

JavaScript

var Emp = function(data) {
      this.Id = ko.observable(data.Id);
      this.Name = ko.observable(data.Name);
    };
    
    var ViewModel = function () {
      
      this.emps = ko.observableArray([
        new Emp({ Id: 1, Name: "Charles1" }),
        new Emp({ Id: 2, Name: "Charles2" })
      ]);
      this.selectedEmpId = ko.observable();
    };
    
      var vm = new ViewModel();
      vm.selectedEmpId(2);
      ko.applyBindings(vm);