sample2.js

// constructor 

class home{
    constructor (area,Budget,plan){
    this.area=area;
    this.Budget=Budget;
    this.plan=plan;
}
memory(){
    console.log(`I want my house at ${this.area} \n Looking for a reasonable ${this.Budget} \n In a neat scope of ${this.plan}`);
    
}
}
const dinglo = new home("Anna Nagar", "50 Lakhs", "Freak style")
dinglo.memory();

// constructor method 

class laptop{
    constructor(brand, speed, price){
        this.brand=brand;
        this.speed=speed;
        this.price=price
}
income(){
console.log(`I want a ${this.brand}\n I need a ${this.speed}\n clock speed ${this.price}`)
}
}
let overall = new laptop ("Lenova", "8 Gb", "20 thousand")
overall.income()



// call back function 

function party (callback) {
    setTimeout(() =>{
        console.log("ready for party");
        callback()
        
    },2000)
}
 function Newyear(callback){
    setTimeout(() => {
        console.log("ringa ringa new year");
        
        
    },500)
 }
party(Newyear);




let a = (" I love my country")
console.log(a.split);






// promise
//wedding , dress, shop, money

function wedding (){
    return new Promise ((resolve,reject)=>{
       setTimeout (()=>{
        const attend = true
        if(attend){
            resolve("Sure will attend wedding")
        }
        else{
            reject("will not attend wedding")
        }
    }, 4000);
})
}
function shopping (){
    return new Promise ((resolve,reject)=>{
        setTimeout(() => {
            const dress = true
            if (dress){
                resolve("Going to take dress")
            }
            else{
                reject("Not going to take dress")
            }
        }, 3000)
    })
}
function gift(){
    return new Promise ((resolve,reject)=>{
        setTimeout (()=>{
            const gold = false
            if (gold){
                resolve("Going to buy")
            }
            else{
                reject("Not going to buy")
            }
        }, 2000);
    })
}
async function familywedding (){
    try{
        let dance = await wedding ()
        console.log(dance);
        let drink = await shopping ()
        console.log(drink);
        let maas = await gift ()
        console.log(maas);
    } catch (booze){
    console.log(booze);
    
}
}
familywedding()