JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.11/angular.min.js"></script>
<div ng-controller="someControler">
    <div class="col-md-4" ng-repeat="(key, value) in list" ng-if="key != 'key1' || value != null">
        <ul>
            <li>{{ key }} : {{ value }}</li>
        </ul>
    </div>
</div>

JavaScript

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

someModule.controller('someControler', function ($scope) {

    $scope.list = {
        key1: "val1",
        key2: "val2",
        key3: "val3",
        key4: null
    };
});