<tr ng-repeat="repo in repos | orderBy:repoSortOrder">
<td>{{repo.name}}</td>
<td>{{repo.stargazers_count}}</td>
<td>{{repo.language}}</td>
</tr>
$scope=>$scope.repoSortOrder="-stargazers_count";
<select ng-model="repoSortOrder"
<option value="+name">Name</option>
<option value="-stargazers_count">Stars</option>
<option value="+language">Language</option>