JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.0/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.0/angular-animate.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular-ui-grid/4.0.6/ui-grid.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/angular-ui-grid/4.0.6/ui-grid.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.0.0/Chart.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular-chart.js/1.1.1/angular-chart.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular-filter/0.5.16/angular-filter.min.js"></script>
<div ng-app="myApp" ng-controller="myController">
      <canvas id="bar" class="chart chart-bar" chart-data="values" chart-labels="keys" chart-series="series"></canvas>
      <div id="grid1" ui-grid="{ data: myData }" class="grid"></div>
      <div><li ng-repeat="(key, value) in myData | countBy: 'col_ky'" >Column Key: {{ key }}, Number of Hits: {{ value }}</li></div>
    </div>

JavaScript

var app = angular.module('myApp',['ui.grid', 'chart.js', 'angular.filter']).controller('myController',['$scope', '$http','$filter',function($scope, $http, $filter) {
 $scope.myData = [{"col_ky":"75421","crt_ts":1501365031000},{"col_ky":"","crt_ts":1501124681000},{"col_ky":"","crt_ts":1501124688000},{"col_ky":"880610","crt_ts":1501127589000},{"col_ky":"880610","crt_ts":1501127715000},{"col_ky":"891733","crt_ts":1501128075000},{"col_ky":"75421","crt_ts":1501128130000},{"col_ky":"880610","crt_ts":1501128181000},{"col_ky":"75421","crt_ts":1501128192000},{"col_ky":"885110","crt_ts":1501128364000},{"col_ky":"880610","crt_ts":1501128369000},{"col_ky":"326083","crt_ts":1501130957000},{"col_ky":"75421","crt_ts":1501131142000},{"col_ky":"863184","crt_ts":1501131949000}];
  $scope.series = [];
  $scope.keys = [];
  $scope.values = [];

  $scope.barData = $filter('countBy')($scope.myData, "col_ky");
  console.log($scope.barData);
  angular.forEach($scope.barData, function(value, key) {
    $scope.keys.push(key);
    $scope.values.push(value);
  });
console.log($scope.keys);
console.log($scope.values);

}]);