JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-app="app" ng-controller="demo">
<div ng-repeat="item in items">
<span style="float: left">{{item}}</span><br ng-if="($index+1)%3 == 0"/>
</div>
</div>JavaScript
angular.module('app', [])
.controller('demo', function($scope){
$scope.items = [0,1,2,3,4,5,6];
})