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NEW QUESTION 45
A developer has the following array of student test grades:
Let arr - [7, 8, 5, 9]
How should want to double each score and then see an array of the students who scored more than 15 points.
How should the developer implement the request?
Answer: A
NEW QUESTION 46
Refer the following code
what is the value of array after code executes?
Answer:
Explanation:
[ 1, 2, 3, 5 ]
NEW QUESTION 47
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 ?
This is a Shirt
This is a Scarf
This is a discounted ShirtB. This is aScarf
Uncaught TypeError: saleItem.description is not a function
This is a Shirt
This is a did counted ShirtC. This is a Scarf
Uncaught TypeError: saleItem.description is not a function
This is aScarf
This is a discounted ShirtD. This is a Scarf
This is a Shirt
This is a discounted Scarf
This is a discounted Shirt
Answer: A
NEW QUESTION 48
Given the following code:
What is the logged by the first four log statements?
Answer: B
NEW QUESTION 49
A developer receives a comment from the Tech lead that the code below gives an error.
Which line edit should be made to make this code run?
Answer: D
NEW QUESTION 50
......
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