console-1629527081415.log

const promise = doWork();
console.log('Promise is ',promise);
promise.then(data=>console.log(data)).catch(err=>console.log(err));
console.log('Code Ends ', promise);
function doWork(){
const promise = new Promise((resolve, reject)=>{
    setTimeout(()=>{
var a = 100;
var b = 200;
var c = a + b;
resolve(c);
},7000);
});
return promise;
}
VM798:2 Promise is  Promise {<pending>}
VM798:4 Code Ends  Promise {<pending>}
undefined
VM798:3 300
promise;
Promise {<fulfilled>: 300}
const promise = doWork();
console.log('Promise is ',promise);
promise.then(data=>console.log(data)).catch(err=>console.log(err));
console.log('Code Ends ', promise);
function doWork(){
const promise = new Promise((resolve, reject)=>{
    setTimeout(()=>{
var a = 100;
var b = 200;
var c = a + b;
resolve(c);
},7000);
});
return promise;
}
VM825:2 Promise is  Promise {<pending>}
VM825:4 Code Ends  Promise {<pending>}
undefined
VM825:3 300
const promise = doWork();
console.log('Promise is ',promise);
promise.then(data=>console.log(data)).catch(err=>console.log(err));
console.log('Code Ends ', promise);
function doWork(){
const promise = new Promise((resolve, reject)=>{
    setTimeout(()=>{
var a = 10;
var b = 200;
var c = a + b;
if(c>=300){
resolve(c);
}
else{
reject("Error Value is Small ");
}
},7000);
});
return promise;
}
VM902:2 Promise is  Promise {<pending>}
VM902:4 Code Ends  Promise {<pending>}
undefined
VM902:3 Error Value is Small 
promise
Promise {<rejected>: "Error Value is Small "}