The Complete JavaScript Course - Beginner to Advance in English > Promise in Javascript

Async/await in javascript

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Promises are easier to write with Async/Await. When you use the keyword 'async' before a function, it always returns a promise. Inside async functions, the term await is used to make the program wait until the Promise resolves.

An asynchronous function is defined with the async keyword, which returns an AsyncFunction object. The await keyword is used to halt async function execution until a Promise is resolved or rejected, and then to resume execution after the Promise is resolved or refused.

Promise is an object that represents an interim state of an operation that will be completed at some point in the future. Async/Await is a promise wrapper, a syntactic sugar that makes programs run more synchronously.

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Async/await in javascript

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When should I use async await JavaScript?

What is difference between async and await in JavaScript?

What is difference between promise and async await?

Learner's Ratings

Reviews

Bakare Oluwatobi

Raktim Ghosh

Sachin

Pasalapudi Pujita Sri Naga Santhoshi

Mohammad Suhail

Prabhat Yadav

karthikeyan Karthik

William Jimmy

Vijay Banjara

VAISHNAVI RAJESH CHALKE

Course Content

Introduction to Javascript

How to use LearnVern

Javascript Features

Ways to write and Add Javascript code

Comments in Javascript

Assignment : Introduction to JavaScript

JavaScript Variables

JavaScript Global Variable

Primitive Data Types in JavaScript

JavaScript - Non Primitive Datatypes

JavaScript arithmetic operators

JavaScript Comparison Operators

JavaScript Bitwise

Javascript Logical Operator

Javascript Assignment Operator

Special JavaScript Operators

JavaScript if/else Statement

JavaScript switch Statement

JavaScript do/while Statement

JavaScript for/in Statement

JavaScript Functions

JavaScript Function call()

JavaScript bind () vs apply () and call ()

Assignment : JavaScript Basics 1

Assignment : JavaScript Basics 2

Javascript Objects

JavaScript object methods part -1

JavaScript object methods part -2

JavaScript Arrays

JavaScript Arrays methods part 1

JavaScript Arrays methods part 2

JavaScript Arrays methods part 3

JavaScript Arrays method part 4

JavaScript Arrays methods part 5

JavaScript Arrays methods part 6

JavaScript string

JavaScript string methods part 1

JavaScript string methods part 2

JavaScript Date objects part 1

Java script Date objects part 2

JavaScript math object part 1

JavaScript math object part 2

JavaScript Numbers and Number Constants

JavaScript Number Methods

Assignment : JavaScript objects

Java script window- The Browser Object Model

Java script BOM- Window Object

Javascript BOM - History Object

Javascript BOM - Navigator object

Javascript BOM - Screen Object

Assignment : Browser Object Model

Javascript Document Object Model - DOM

Javascript Document Object Methods

Assignment : Document Object Model

Javascript Form Validations

Javascript Email Validations

Assignment : Javascript Validation

Java Script Classes

Java Script Prototypes

Java Script Constructors

Java Script Static Methods

Java Script OOps Encapsulation