Implementing promises in Angular.js
Promise is all about how async behavior can be applied on a certain part of an application or on the whole. There is a list of many other JavaScript libraries where the concept of promises exists but in Angular.js, it's present in a much more efficient way than any other client-side applications.
Promises comes in two flavors in Angular.js, one is $q and the other is Q. What is the difference between them? We will explore it in detail in the following sections. For now, we will look at what promise means to Angular.js.
There are many possible ways to implement promises in Angular.js. The most common one is to use the $q parameter, which is inspired by Chris Kowal's Q library. Mainly, Angular.js uses this to provide ...
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