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NEW QUESTION 49
Refer to the following object:

How can a developer access the fullname property for cat?

  • A. Cat,get,fullname
  • B. Cat.fullname ( )
  • C. Cat.function.fullName
  • D. Cat.fullName

Answer: A

 

NEW QUESTION 50
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 ?

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

Answer: A

 

NEW QUESTION 51
What are two unique feature of function defined with a fat arror as compared to normal functional definition?
Choose 2 answers

  • A. The function uses the this from the enclosing scope.
  • B. The function generation its own this making it useful for separating the function’s scope its enclosing scope
  • C. If the function has a single expression in the function body, the expression will be evaluated and implicitly returned.
  • D. The function receives an argument that is always in scope, called parent this, which is the enclosing lexical scope

Answer: C

 

NEW QUESTION 52
developer removes the HTML class attribute from the checkout button, so now it is
simply:
<button>Checkout</button>.
There is a test to verify the existence of the checkout button, however it looks for a button with
class= “blue”. The test fails because no such button is found.
Which type of test category describes this test?

  • A. False negative
  • B. True positive
  • C. True negative
  • D. False positive

Answer: A

 

NEW QUESTION 53
Universal Containers (UC) notices that its application that allows users to search for accounts makes a network request each time a key is pressed. This results in too many requests for the server to handle.
* Address this problem, UC decides to implement a debounce function on string change handler.
What are three key steps to implement this debounce function?
Choose 3 answers:

  • A. Store the timeId of the setTimeout last enqueued by the search string change handle.
  • B. If there is an existing setTimeout and the search string change, allow the existing setTimeout to finish, and do not enqueue a new setTimeout.
  • C. Ensure that the network request has the property debounce set to true.
  • D. When the search string changes, enqueue the request within a setTimeout.
  • E. If there is an existing setTimeout and the search string changes, cancel the existing setTimeout using the persisted timerId and replace it with a new setTimeout.

Answer: B,C,D

 

NEW QUESTION 54
……

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