Question 16

Refer to the code below:
Async funct on functionUnderTest(isOK) {
If (isOK) return 'OK';
Throw new Error('not OK');
)
Which assertion accurately tests the above code?
  • Question 17

    A developer wants to create an object from a function in the browser using the code below.

    What happens due to the lack of the mm keyword on line 02?
  • Question 18

    Refer to the code below:

    What is the output of this function when called with an empty array?
  • Question 19

    Given the JavaScript below:
    01 function filterDOM (searchString) {
    02 const parsedSearchString = searchString && searchString.toLowerCase() ;
    03 document.quesrySelectorAll(' .account' ) . forEach(account => (
    04 const accountName = account.innerHTML.toLOwerCase();
    05 account. Style.display = accountName.includes(parsedSearchString) ? /*Insert code*/;
    06 )};
    07 }
    Which code should replace the placeholder comment on line 05 to hide accounts that do not match thesearch string?
  • Question 20

    Given the following code:
    Let x =null;
    console.log(typeof x);
    What is the output of the line 02?