QUESTION: 73

Refer to the code below:
new Promise((resolve, reject) => {
const fraction = Math.random();
if( fraction >0.5) reject("fraction > 0.5, " + fraction); resolve(fraction);
})
.then(() =>console.log("resolved"))
.catch((error) => console.error(error))
.finally(() => console.log(" when am I called?"));

When does Promise.finally on line 08 get called?

When rejected
When resolved and settled
When resolved
When resolved or rejected

Answer(s): D

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QUESTION: 74

Refer to the following array:
Let arr1 = [ 1, 2, 3, 4, 5 ];

Which two lines of code result in a second array, arr2 being created such that arr2 is not a reference to arr1?

Let arr2 = arr1.slice(0, 5);
Let arr2 = Array.from(arr1);
Let arr2 = arr1;
Let arr2 = arr1.sort();

Answer(s): A,B

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QUESTION: 75

Refer to code below:
Function muFunction(reassign){
Let x = 1;
var y = 1;
if( reassign ) {
Let x= 2;
Var y = 2;
console.log(x);
console.log(y);}

console.log(x);
console.log(y);}

What is displayed when myFunction(true) is called?

2 2 1 1
2 2 undefined undefined
2 2 1 2
2 2 2 2

Answer(s): C

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QUESTION: 76

A developer wants to create an object from a function in the browser using the code below:
Function Monster() { this.name = `hello' };
Const z = Monster();
What happens due to lack of the new keyword on line 02?

The z variable is assigned the correct object.
The z variable is assigned the correct object but this.name remains undefined.
Window.name is assigned to `hello' and the variable z remains undefined.
Window.m is assigned the correct object.

Answer(s): C

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