JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-app>
<ul ng-controller="Test">
<li ng-repeat='a in arr'>
{{ a.q }}
<ul>
<li ng-repeat='b in a.w'>
{{b}}
</li>
</ul>
</li>
</ul>
</div>
JavaScript
function Test($scope){
$scope.arr = [{q:1, w: [11,22]}, {q:2, w: [33,44]}];
};