JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="app" ng-controller="test">
  <div ng-repeat="item in [1,2,3] track by $index">
    <input type="text" ng-model="arr[$index]" />
    <span ng-if="arr[$index]"> - {{arr[$index]}} </span>
  </div>
</div>

JavaScript

var app = angular.module('app', []);

app.controller('test', function($scope) {
  $scope.arr = [];
});