gistfile1.js

var _totalLoadedTemplates = 0;
var _requiredAmountOfTemplates = 3; //Let's say you need 3 templates to load before you run your code 

$.SubscriptionEvent('myDisplayTemplateLoadingCheck').subscribe ( function (data ) {
    totalLoadedTemplates += 1;
    if (_totalLoadedTemplates === _requiredAmountOfTemplates) {
                //your code goes here
    }
});