Technique 1 for the async await
const pobj1 = new Promise((resolve, reject) => {
setTimeout(() => {
let roll_no = [1, 2, 3, 4, 5];
resolve(roll_no);
}, 2000);
});
const getBiodata = (indexdata) => {
return new Promise((resolve, reject) => {
setTimeout((indexdata) => {
let biodata = {
name : 'Vinod',
age : 26
}
resolve(`My name is ${biodata.name} and I am ${biodata.age} years old`);
}, 2000, indexdata);
});
}
async function getData(){
const rollnodata = await pobj1;
console.log(rollnodata);
const biodatas = await getBiodata(rollnodata[1]);
console.log(biodatas);
}
getData();
//Technique 2 for async-await
/*
const pobj1 = new Promise((resolve, reject) => {
setTimeout(() => {
let roll_no = [1, 2, 3, 4, 5];
resolve(roll_no);
}, 2000);
});
const getBiodata = (indexdata) => {
return new Promise((resolve, reject) => {
setTimeout((indexdata) => {
let biodata = {
name : 'Vinod',
age : 26
}
resolve(`My name is ${biodata.name} and I am ${biodata.age} years old`);
}, 2000, indexdata);
});
}
async function getData(){
const rollnodata = await pobj1;
console.log(rollnodata);
const biodatas = await getBiodata(rollnodata[1]);
console.log(biodatas);
}
getData();
*/
// New Technique for async await
/*
console.log('person1: shows ticket');
console.log('person2: shows ticket');
const promiseWifeBringTick = new Promise((resolve, reject) => {
setTimeout(() => {
resolve('nunu');
}, 2000);
})
const getPopcorn = promiseWifeBringTick.then((t) => {
console.log('husband: we should get in');
console.log('wife: no I am hungry');
return new Promise((resolve, reject) => resolve(`${t} popcorn`));
// console.log(`person3: shows ${t}`);
});
var getButter = getPopcorn.then((t) => {
console.log('husband: we should go now');
console.log('wife: I need butter in my popcorn');
return new Promise((resolve, reject) => resolve(`${t} butter`));
});
getButter.then((t) => console.log(t));
console.log('person4: shows ticket');
console.log('person5: shows ticket');
*/
/*
console.log('This is the new technique');
async function bhaba(){
console.log("Inside Bhaba function")
const response = await fetch('https://api.github.com/users');
console.log('Before Response');
const users = await response.json();
return users;
}
console.log("Before calling Bhaba");
let a = bhaba();
console.log('After calling Bhaba');
console.log(a);
a.then(data => console.log(data) )
console.log("This is the last line of the code");
*/
console.log('person1: show ticket');
console.log('person2: show ticket');
const preMovie = async() => {
const promiseWifeBringTick = new Promise((resolve, reject) => {
setTimeout(() => resolve('Wife got the Ticket'), 3000);
});
const getPopcorn = new Promise((resolve, reject) => resolve(`actoo popcorn`));
const getButter = new Promise((resolve, reject) => resolve(`sitajakhala butter`));
let ticket = await promiseWifeBringTick;
let popcorn = await getPopcorn;
console.log(`Husband: I got some ${popcorn}`);
let butter = await getButter;
console.log(`Husband: I got some ${butter} as well`);
return ticket;
}
preMovie().then((m) => console.log(`${m}`));.