Refer to code below:
Let productSKU = ‘8675309’ ;
A developer has a requirement to generate SKU numbers that are always 19 characters lon, starting with ‘sku’,and padded with zeros.
Which statement assigns the values sku0000000008675309 ?

1. A. productSKU = productSKU .padStart (19. ‘0’).padstart(‘sku’);
2. B. productSKU = productSKU .padEnd (16. ‘0’).padstart(‘sku’);
3. C. productSKU = productSKU .padEnd (16. ‘0’).padstart(19, ‘sku’);
4. D. productSKU = productSKU .padStart (16. ‘0’).padstart(19, ‘sku’);

Correct Answer: D

Refer to code below:

What is displayed when the code executes?

1. A. ReferenceError: b is not defined
2. B. a
3. C. Undefined
4. D. Null

Correct Answer: C

Refer to the code below:
1 let car1 = new promise((_, reject) =>
2 setTimeout(reject, 2000, “Car 1 crashed in”));
3 let car2 = new Promise(resolve => setTimeout(resolve, 1500, “Car 2 completed”));
4 let car3 = new Promise(resolve => setTimeout (resolve, 3000, “Car 3 Completed”));
5 Promise.race([car1, car2, car3]) 06 .then(value => (
07 let result = $(value) the race. `; 08 ))
9 catch( arr => (
10 console.log(“Race is cancelled.”, err); 11 ));
What is the value of result when Promise.race executes?

1. A. Car 3 completed the race.
2. B. Car 1 crashed in the race.
3. C. Car 2 completed the race.
4. D. Race is cancelled.

Correct Answer: C

What are two unique features of functions defined with a fat arrow as compared to normal function definition?
Choose 2 answers

1. A. The function generated its own this making ituseful for separating the function’s scope from its enclosing scope.
2. B. The function receives an argument that is always in scope, called parentThis, which is the enclosing lexical scop
3. C. If the function has a single expression in the function body, the expression will be evaluated and implicit returned.
4. D. The function uses the this from the enclosing scope.

Correct Answer: AC

A developer has two ways to write a function: Option A:
function Monster() { This.growl = () => { Console.log (“Grr!”);
}
}
Option B:
function Monster() {}; Monster.prototype.growl =() => { console.log(“Grr!”);
}
After deciding on an option, the developer creates 1000 monster objects. How many growl methods are created with Option AOption B?

1. A. 1 growl method is created for Option
2. B. 1000 growl methods are created for Option B.
3. C. 1000 growl method is created for Option
4. D. 1 growl methods are created for Option B.
5. E. 1000 growl methods are created regardless of which option is used.
6. F. 1 growl method is created regardless of which option is used.

Correct Answer: B