JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="test" >
  <div ng-controller="working">
    <div ng-repeat="e in elements">
      {{e}}
      <input ng-model="$parent.singleElemen" />
      <button ng-click="add()">
        Click
      </button>
    </div>
  </div>
</div>

JavaScript

angular.module('test', [])
.controller('working', function ($scope) {
	$scope.elements = [10, 20, 30, 40];
  $scope.singleElemen = '';
  
  $scope.add = function () {
  	console.log($scope.singleElemen);
  }
});