Lecture 340 - WebTraining101 - 39 - async await example #1 #coding #webdevelopment #fullstack

Async/await a new addition with ES2017 (ES8)

Whenever you want to perform asynchronous task(i.e a task which may take time), We use promise
bcoz promise
1. Hold the Program execution till the promise is resolved

Async function alway return a promise

Example
console.log('Hello');
x(); // x is a async function which return a promise
console.log('How Are you');

To Display a result of promise we use promise chaining ( then then .. catch finally)

console.log('Hello');
x().then().catch().finally(); // x is a async function which return a promise
console.log('How Are you');

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