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- Can you explain the concept of Angular Promises and how they are different from callbacks? Angular Promises, part of the $q service, provide a standardized way to handle asynchronous operations.
- What is the significance of the $q service in AngularJS and how does it relate to Angular Promises? The $q service in AngularJS is a core component for implementing promises, which are essential for handling asynchronous operations.
- Describe the different states of a Promise and how they can be utilized in an Angular application. A Promise in Angular has three states: pending, fulfilled, and rejected.
- Can you discuss the difference between $q.all() and $q.race() methods in AngularJS and provide a use case for each? $q.all() and $q.race() are methods in AngularJS for handling multiple promises concurrently.
Nov 13, 2023 · A Promise represents a single value in the future, that may not be available at present but is expected to be resolved or rejected in the future. It is more readable and maintainable in asynchronous. A Promise object has two possible states, i.e. the resolve and reject.
May 7, 2017 · 1. a Promise is always asynchronous, while an Observable can be either synchronous or asynchronous, a Promise can provide a single value, whereas an Observable is a stream of values (from 0 to multiple values), you can apply RxJS operators to an Observable to get a new tailored stream. – achref akrouti.
4 days ago · Promises and Observables are two popular concepts in Angular for handling asynchronous operations. Learn about the key differences between them and how to use them effectively in your Angular applications.
May 29, 2023 · In the series of Angular Interview question , In this video we will cover , what is the differences we have between Promise and Observable.Promise is part o...
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Jan 15, 2018 · Rest assured, promises are kept through resolution or rejection. In this post, you will learn about some of the following concepts in relation to promise concept vis-a-vis an angular app built with Angular 2.*, Angular 4.* and Angular 5.* versions: Introduction to Promise.
