Salesforce Updated JavaScript-Developer-I Exam Questions and Answers by elyza

A developer has a formatName function that takes two arguments, firstName and lastName and returns a string. They want to schedule the

function to run once after five seconds.

What is the correct syntax to schedule this function?

A class was written to represent items for purchase in an online store, and a second class

Representing items that are on sale at a discounted price. THe constructor sets the name to the

first value passed in. The pseudocode is below:

Class Item {

constructor(name, price) {

… // Constructor Implementation

}

}

Class SaleItem extends Item {

constructor (name, price, discount) {

...//Constructor Implementation

}

}

There is a new requirement for a developer to implement a description method that will return a

brief description for Item and SaleItem.

Let regItem =new Item(‘Scarf’, 55);

Let saleItem = new SaleItem(‘Shirt’ 80, -1);

Item.prototype.description = function () { return ‘This is a ’ + this.name;

console.log(regItem.description());

console.log(saleItem.description());

SaleItem.prototype.description = function () { return ‘This is a discounted ’ +

this.name; }

console.log(regItem.description());

console.log(saleItem.description());

What is the output when executing the code above ?

Refer to the code below:

What is the value of result when the code executes?

Refer to the following code:

What is the value of output on line 11?