Meteor interval subscription example

interval subscription

if(Meteor.isClient) {
    Meteor.startup(function () {
        (function () {
            var oldSubscription;
            Meteor.setInterval(function () {
                var subscription;
                subscription = Meteor.subscribe('random-image', function () {
                    oldSubscription = subscription;
                });
                if(oldSubscription)
                    oldSubscription.stop();
            });
        })(); 
    });
}


if(Meteor.isServer) {
    Meteor.publish('random-image', function () {
        var randomQuery = {};
        return Images.find(randomQuery);
    });
}