JavaScript

How to get access to number 8 in the following array?

const arr = [[1, 2, 3], [[5, 6, 7, 8], 9]]

What would be the result of this?

const a = 20;

a = 10;

console.log(a)

function getSum(a, b) {

console.log(a + b);

}

const result = getSum(10, 20);

console.log(result);

What does map function return?

How to access property name on the object?

const country = {

name: 'Italy',

population: 59550000

};

What would the following comparison produce?

2 == "2"

Guess the result of this:

{foo: 'bar'} === {foo: 'bar'}

How to convert number n to string?

How many arguments does function foo accept?

const foo = (array, fn) => fn(array)

What would be the result of the following?

var arr = [1,2,3];

console.log(arr[0]);