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NEW QUESTION 41
Refer to the code below:
Async funct on functionUnderTest(isOK) {
If (isOK) return 'OK' ;
Throw new Error('not OK');
)
Which assertion accuretely tests the above code?

  • A. Console.assert (await functionUnderTest(true), ' not OK ')
  • B. Console.assert (await functionUnderTest(true), ' not OK ')
  • C. Console.assert (await functionUnderTest(true), ' OK ')
  • D. Console.assert (await functionUnderTest(true), 'OK')

Answer: D

 

NEW QUESTION 42
Universal Containers recently launched its new landing page to host a crowd-funding campaign. The page uses an external library to display some third-party ads. Once the page is fully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like the one in the code below:
JavaScript-Developer-I-7f6342e322de36df802906fb4c3dfd6d.jpg
All the elements includes the same ad-library-item class, They are hidden by default, and they are randomly displayed while the user navigates through the page.

  • A. Use the DOM inspector to prevent the load event to be fired.
  • B. Use the DOM inspector to remove all the elements containing the class ad-library-item.
  • C. Use the browser console to execute a script that prevents the load event to be fired.
  • D. Use the browser to execute a script that removes all the element containing the class ad-library-item.

Answer: D

 

NEW QUESTION 43
Which statement accurately describes an aspect of promises?

  • A. .then() manipulates and returns the original promise.
  • B. In a.then() function, returning results is not necessary since callbacks will catch the result of a previous promise.
  • C. .then() cannot be added after a catch.
  • D. Arguments for the callback function passed to .then() are optional.

Answer: D

 

NEW QUESTION 44
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