JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-app="dummyApp">
<div ng-controller="MyCtrl">
<select ng-options="category as category.name for category in categories track by category.id" ng-model="category"></select>
selected category: {{category}}
</div>
</div>
JavaScript
var app = angular.module('dummyApp', []);
app.controller('MyCtrl', function ($scope) {
$scope.categories = [{
id: "121",
name: "Planes"
}, {
id: "212",
name: "Buses"
}, {
id: "210",
name: "Cars"
}];
$scope.category = $scope.categories[0];
});