JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="app">
    <div ng-controller="MyCtrl as item">
        <ul>
            <li ng-repeat="item in items | unique: 'checked'">
                <tt>{{ item.checked }}</tt>
            </li>
        </ul>
    </div>
</div>

CSS

</style>
<script src="//code.angularjs.org/1.3.0-beta.7/angular.js"></script>
<style>

JavaScript

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

app.filter('unique', function() {
   return function(collection, keyname) {
      var output = [], 
          keys = [];

      angular.forEach(collection, function(item) {
          var key = item[keyname];
          if(keys.indexOf(key) === -1) {
              keys.push(key);
              output.push(item);
          }
      });
      return output;
   };
});

app.controller('MyCtrl', function ($scope) {
 
$scope.items = [
  	  {
        id : 1,
        column : "col1",
        comment : "col1-label1",
		text1 : "col1-label1-text1",
		checked: false,
    
      },
      {
        id : 2,
        column : "col1",
        comment : "col1-label2",
        text1 : "col1-label2-text1",
		checked: false,
	
      },
      {
        id : 3,
        column : "col2",
        comment : "col2-label1",
        text1 : "col2-label1-text1",
		checked: false,
		
      },
      {
        id : 4,
        column : "col2",
        comment : "col2-label2",
        text1 : "col2-label2-text1",
		checked: false,
	
      },
      {
        id : 5,
        column : "col3",
        comment : "col3-label1",
        text1 : "col3-label1-text1",
		checked: false,
	
      },
      {
        id : 6,
        column : "col3",
        comment : "col3-label2",
        text1 : "col3-label2-text1",
		checked: false,
		
      },
      {
        id : 7,
        column : "col4",
        comment : "col4-label1",
        text1 : "col4-label1-text1",
		checked: false,
		
      },
      {
        id : 8,
        column : "col4",
        comment : "col4-label2",
        text1 : "col4-label2-text1",
		checked: true,
		
      }
	  ];
    });