Free CRT-600 Exam Braindumps
Prepare for your JavaScript Developer I Certification Exam Questions 51–55 (page: 12)

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 ?

Given the following code:
Let x =(`15' + 10)*2;
What is the value of a?

Refer to the following code:
01 function Tiger(){
02 this.Type = `Cat';
03 this.size = `large';
04 }
06 let tony = new Tiger();
07 tony.roar = () =>{
08 console.log(`They\'re great1');
09 };
11 function Lion(){
12 this.type = `Cat';
13 this.size = `large';
14 }
16 let leo = new Lion();
17 //Insert code here
18 leo.roar();
Which two statements could be inserted at line 17 to enable the function call on line 18? Choose 2 answers.

Which statement accurately describes an aspect of promises?

Given the code below:
Function myFunction(){
A =5;
Var b =1;
}
myFunction();
console.log(a);
console.log(b);
What is the expected output?