NextIva Round 1 for Lead React Developer position

const p1 = Promise.resolve(1);

const p2 = Promise.reject('Error!');

const p3 = Promise.resolve(3);

// Promise.all([p1, p2, p3])

// .then((result) =>console.log('All:', result))

// .catch((error) =>console.log('Caught:', error));

// Promise.allSettled([p1, p2, p3])

// .then((result) =>console.log('All Settled:', result));

// all - Caught: Error!

// allSettled - 'All Settled: [1, 'Error!', 3]'

// console.log('Start');

// setTimeout(() => console.log('Timeout 1'), 0);

// Promise.resolve().then(() => console.log('Promise 1'));

// Promise.resolve().then(() => {

// console.log('Promise 2');

// setTimeout(() => console.log('Timeout 2'), 0)

// });

// console.log('End');

// () => console.log('Timeout 1')

// console.log('Promise 1')

//console.log('Promise 2');

// -> setTimeout(() => console.log('Timeout 2'), 0);

/*

Start

End

Promise 1

Promise 2

Timeout 1

Timeout 2

*/

const obj = { a: 1 };

Object.defineProperty(obj, 'b', {

value: 2,

writable: false,

enumerable: false, // wont come inside object.keys

configurable: false, // cant be deleted

});

obj.b = 3;

console.log(obj.b);

console.log(Object.keys(obj));

delete obj.b;

console.log(obj.b)

/*

2

[a, b]

undefined

*/

const promise1 = Promise.resolve(1);

const promise2 = new Promise((resolve, reject) => setTimeout(reject, 100, 'Error'));

const promise3 = new Promise((resolve) => setTimeout(resolve, 50, 3));

Promise.all([promise1, promise2, promise3])

.then((results) => {

console.log('Results:', results);

})

.catch((error) => { console.log('Caught:', error); });

// Caught: Error

// proxies in javascript

// event delegation in javascript

// how to secure routes/api in react app from unauthorized access

// how to improve data fetching in react app

// how redux achieve immutability

// limitation of HOCs

// how to ensure smooth communication among team mates

// how to discuss prioritized tasks with the product/management team